computer hardware

Computer hardware

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1. From what location are the 1st computer instructions available on boot up?

A. ROM BIOS

B. CPU

C. boot.ini

D. CONFIG.SYS

E. None of the above

Answer & Explanation

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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2. What could cause a fixed disk error.

A. No-CD installed

B. bad ram

C. slow processor

D. Incorrect CMOS settings



Answer: Option D

Explanation:



3. Missing slot covers on a computer can

cause?

A. over heat

B. power surges

C. EMI.

D. incomplete path for ESD



Answer: Option A

Explanation:



4. When installing PCI NICS you can

check the IRQ availability by looking at

A. dip switches

B. CONFIG.SYS

C. jumper settings

D. motherboard BIOS



Answer: Option D

Explanation:



5. With respect to a network interface

card, the term 10/100 refers to

A. protocol speed

B. a fiber speed

C. megabits per seconds

D.

minimum and maximum server speed

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Answer: Option C 6. Which Motherboard form factor uses

one 20 pin connector

A. ATX

B. AT

C. BABY AT

D. All of the above



Answer: Option A

Explanation:



7. A hard disk is divided into tracks

which are further subdivided into:

A. clusters

B. sectors

C. vectors

D. heads



Answer: Option B

Explanation:



8. A wrist grounding strap contains

which of the following:

A. Surge protector

B. Capacitor

C. Voltmeter

D. Resistor



Answer: Option D

Explanation:



9. Which standard govern parallel

communications?

A. RS232

B. RS-232a

C. CAT 5

D. IEEE 1284



Answer: Option D

Explanation:



10. In laser printer technology, what

happens during the conditioning stage?

A.

The corona wire places a uniform positive charge on the paper

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B.

A uniform negative charge is placed on the photosensitive drum

C.

A uniform negative charge is placed on the toner

D. All of the above



Answer: Option B 11. What product is used to clean

smudged keys on a keyboard?

A. TMC solvent

B. Silicone spray

C. Denatured alcohol

D. All-purpose cleaner



Answer: Option D

Explanation:



12. ESD would cause the most damage

to which component?

A. Power supply

B. Expansion board

C. Monitor

D. Keyboard



Answer: Option B

Explanation:



13. To view any currently running

Terminate Stay Resident (TSR's) programs you could type:

A. Memory

B. MEM

C. SYS /M

D. Memmaker



Answer: Option B

Explanation:



14. Which type of system board is the

MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?

A. ML

B. PCI

C. ISA

D. EISA



Answer: Option B

Explanation:

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15. Suppose that you have a the

maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?

A.

Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock

B.

Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved

C.

Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem

D. None of the above


Answer: Option A 16. Most PCs give a single beep on bootup

to indicate they are ok hardware wise. You boot your PC and don't get a beep. What should you check first?

A. system board

B. RAM

C. microprocessor

D. power supply

E. speaker


Answer: Option E

Explanation:



17. Which peripheral port provides the

FASTEST throughput to laser printers?

A. RS-232

B. SCSI

C. Parallel

D. Serial



Answer: Option C

Explanation:



18. The mouse pointer moves erratically,

what is the possible cause? The mouse

A. ball is dirty

B. is not connected

C.

driver is not installed properly

D. has an incorrect IRQ setting



Answer: Option A

Explanation:

No answer description available for

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this question. Let us discuss.


19. Voltage4s measured:

A. in parallel

B. in series

C. after breaking the circuit

D. after checking resistance

E. after checking current


Answer: Option A

Explanation:



20. Your customer tells you the print

quality of their dot matrix printer is light then dark. Which of the following could cause the problem.

A. Paper slippage

B. Improper ribbon advancement

C. Paper thickness

D. Head position



Answer: Option B 21. The 34-pin connection on an I/O card

is for?

A. Floppy drive

B. SCSI drive

C. IDE drive

D. Zip drive



Answer: Option A

Explanation:



22. The terms "red book", "yellow book",

and "orange book" refer to:

A. SCSI

B. ide

C. floppy drive technology

D. CD-ROM standards

E. All of the above


Answer: Option D

Explanation:



23. On the 16-bit ISA bus, IRQ2 is

elevated to which higher level Interrupt?

A. 9

B. 11

C. 13

D. 15



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Answer: Option A

Explanation:



24. What beep codes could indicate a

system board or power supply failure?

A. steady short beep

B. no beep

C.

one long continuous beep tone

D. steady long beeps

E. All of the above


Answer: Option E

Explanation:



25. To view any currently running

Terminate Stay Resident (TSR's) programs you could type:

A. Memory

B. MEM

C. SYS /M

D. Memmaker



Answer: Option B 26. Which part of the laser printer should

NOT be exposed to sunlight?

A. Transfer corona assembly

B. PC drum

C. Primary corona wire

D. Toner cartridge



Answer: Option B

Explanation:



27. After doing a low-level format, what

would be the next step in configuring the hard drive in a system?

A. Format DOS partition

B. Install operating system

C.

Configure DMA channel and back-up interrupt

D. Partition had disk



Answer: Option A

Explanation:



28. Resistance is measured in ?

A. Volts

B. Amps

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C. Watts

D. Ohms



Answer: Option D

Explanation:



29. What command is used to reset a

MODEM when using the "AT Command Set"?

A. ATR

B. ATZ

C. DTR

D. DCE



Answer: Option B

Explanation:



30.

When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to:

A. B0007

B. An unused SCSI address

C.

The same address as the SCSI device before the CD-ROM

D. SCSI ID=1



Answer: Option B

31. Pick the correct choice for the 80386SXCPU.

A.

16 bit word size, 16 bit data path

B.


C.


D.


E.



Answer: Option B

Explanation:



32. In Inkjet technology the droplets of ink are deflected by?

A. multi directional nozzles

B.

electronically charged plates

C. high pressure plates

D. electro static absorbtion



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Answer: Option A

Explanation:



33. When your hard drive crashes from any of the correct selections in the question above, or from dropping it, it is known as head-to-disk interference, or HDL

A. True B. False


Answer: Option A

Explanation:



34. What tool is used to test serial and parallel ports?

A. high volt probe

B. cable scanner

C. loop backs (wrap plugs)

D. sniffer



Answer: Option C

Explanation:


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35. ESD would cause the most damage to which component?

A. Power supply

B. Expansion board

C. Monitor

D. Keyboard



Answer: Option B

Explanation:


View Answer

36. What is the highest binary number that can be referred to on a three position jumper block?

A. 4

B. 6

C. F

D. 1



Answer: Option D

Explanation:



37. What voltage does a Pentium system use?

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A. +12 volts

B. + 5 volts

C. + 8 volts

D. +3.3 volts



Answer: Option D

Explanation:



38. A numeric error code check: A 17xx indicates a problem with:

A. CMOS

B. ROM BIOS

C. DMA controller

D. hard drive or controller

E. power supply


Answer: Option D

Explanation:



39. Which provides the fastest access to large video files?

A. Optical drives

B. IDE hard drives

C. SCSI hard drives

D. EIDE hard drives



Answer: Option C

Explanation:



40. A 25-pin female connector on the back of your computer will typically be:

A. Serial port 1

B. A parallel port

C. Docking

D. COM2 port



Answer: Option B

Explanation:


View Answer

41. On the PC side, the printer port is a:

A.

25 pin female serial connector

B.

15 pin female parallel connector

C.

25 pin male serial connector

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D.

15 pin female serial connector

E.

25 pin female parallel connector


Answer: Option E

Explanation:



42. You were installing an application in Windows 95, and the computer crashes, what do you do?

A.

press alt + Ctrl + delete, twice

B.

press alt + Ctrl + delete, and end task

C.

press the reset button on the computer

D.

turn off computer and boot from a floppy disk



Answer: Option D

Explanation:



43. RS-232 is a standard that applies to:

A. serial ports

B. parallel ports

C. game ports

D. networks

E. digital frequencies


Answer: Option A

Explanation:



44. You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first.

A. cable sequence

B.

jumpers on the hard drive

C.

drivers that need to be loaded

D.

hard drive manufacturer web site information



Answer: Option B

Explanation:



45. During boot-up, the memory test:

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A.

Is a superfluous step that should be ignored

B.

Checks and verifies that contiguous memory is installed

C. Is an operational error

D.

Displays what memory is installed, but nothing else



Answer: Option B 46. What is the best ground for a

conductive work bench?

A. AC outlet

B. Ground to bend

C. To another device

D. Chassis ground



Answer: Option A

Explanation:



47. Topically, how many type III PC cards can you insert in a laptop

A. 1

B. 2

C. 3

D. 4



Answer: Option A

Explanation:



48. What is the first thing you could do to check for damage to a printer after receiving it?

A. Run MSD diagnostics

B.

Attach it to a PC and print something

C. Check the cables

D.

Unbox it and examine it for physical damage



Answer: Option D

Explanation:



49. You have a system that periodically locks up. You have ruled out software, and now suspect that it is hardware. What should you do first that could help you narrow it down to the component at fault?

A. rotate the RAM

B. replace the RAM

C. replace the level 2 cache

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SIMM

D.

disable the CPU cache in CMOS

E. replace the CPU


Answer: Option D 1. What's the best way to protect

your hard drive data?

A. regular backups

B. periodically defrag it

C.

run chkdsk at least once a week

D.

run scandisk at least once a week

E. run a regular diagnostic


Answer: Option A

Explanation:



2. On a dot matrix printer, you should never lubricate which part?

A. carriage rails

B. printhead pins

C. paper advance bearings

D. carriage bearings



Answer: Option B

Explanation:



3. How many devices can be used on a single SCSI bus? Keep in mind that the SCSI host adapter counts as a device.

A. 1

B. 8

C. 20

D. 10

E. All of the above


Answer: Option B

Explanation:



4. Match the device driver HIMEM.SYS to its operation.

A.

Supports (ANSI) terminal emulation

B.

Manages the use of extended memory

C.

Uses expanded memory on a 80386 processor

D.

Supports code page switching



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Answer: Option B

Explanation:



5. _____ help prevent power surges.

A. Surge suppressor

B. Spike protector

C. UPS system

D. High-grade multi-meter



Answer: Option A 6. The digital multimeter is set for

DC, Ohm and 20k. You will read _____ while measuring a good 2 amp fuse.

A. 0.00

B. 0.02

C. 0.20

D. 2.00



Answer: Option A

Explanation:



7. An anti static strap uses a small

_____ to make sure you do not become the least path of resistance to the ground?

A. capacitor

B. diode

C. transistor

D. resistor



Answer: Option D

Explanation:



8. If the memory slots have 30 pins then the chip is a?

A. DIMM

B. SIMM

C. SDRAM

D. All of the above



Answer: Option B

Explanation:



9. Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure

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dot-matrix printers?

A. lines per inch

B. lines per sheet

C. characters per inch

D. characters per second



Answer: Option D

Explanation:



10. Which values are held in CMOS for the hard drive

A.

size (heads, cylinders, sectors)

B. IRQ

C. Free space

D. Virus alert



Answer: Option A 11. Which of the following would be a

logical first step in troubleshooting a PC?

A.

Check the computer CMOS

B.

Define the circumstances of the problem

C. Call the vendor

D.

Define what applications are being used



Answer: Option B

Explanation:



12. Which DOS driver is used to emulate expanded memory?

A. Himem.sys

B. EMM386.exe

C. Mem386.sys

D. Ramdrive.sys



Answer: Option B

Explanation:



13. For a Macintosh to print successfully, the System Folder must contain:

A. File sharing software

B. A printer enabler

C.

The apple Garamond font set

D. A printer driver


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Answer: Option D

Explanation:



14. Which component must be vacuumed or replaced during preventative maintenance on a laser printer?

A. Scanning mirror

B. Toner cartridge

C. Ozone filter

D. All of the above



Answer: Option C

Explanation:



15. Which device uses a DMA channel?

A. Modem

B. Network Card

C. Sound Card

D. All of the above



Answer: Option C 16. When is the risk for electrostatic

discharge the greatest?

A. Day time

B. High humidity

C. Low humidity

D. Night time



Answer: Option C

Explanation:



17. When is the risk for electrostatic discharge the greatest?

A. Day time

B. High humidity

C. Low humidity

D. Night time



Answer: Option C

Explanation:



18. A modem could be attached to which port?

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A. Parallel port

B. ASYNC port

C. Keyboard connector

D. Video port



Answer: Option A

Explanation:



19. What device prevents power interruptions, resulting in corrupted data?

A. Battery back-up unit

B. Surge protector

C. Multiple SIMMs strips

D. Data guard system



Answer: Option A

Explanation:



20. SCSI must be terminated with?

A. Dip switch

B. Resistor

C. BNC

D. All of the above



Answer: Option B 21.

In a computer with an eide adapter, where should you connect an ATA CD-ROM drive?

A. on the floppy bus

B.

on the primary IDE

C.

on the secondary IDE

D. on the SCSI bus

E. All of the above


Answer: Option C

Explanation:



22.

What's the best way to prevent damaging your PC with static electricity?

A.

place your PC on a rubber mat

B.

wear leather soled shoes

C.

periodically touch a safe ground point on the PC to discharge yourself

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D.

static electricity doesn't really hurt a PC

E.

wear an ESD wrist strap


Answer: Option E

Explanation:



23.

What is the highest binary number that can be referred to on a three position jumper block?

A. 4

B. 6

C. F

D. 1



Answer: Option D

Explanation:



24.

During boot-up, the memory test:

A.

Is a superfluous step that should

be ignored

B.


C.

Is an operational error

D.




Answer: Option B

Explanation:



25. IRQ6 is typically reserved for:

A. The floppy

B.

The keyboard controller

C. LPT2

D. The modem

E.

None of the above


Answer: Option A

26. Which would you do first when troubleshooting a faulty monitor?

A.

Check its connections to the computer and power source

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B.

Use a meter to check the CRT and internal circuitry for continuity

C.

Power down the monitor, then turn it on again to see if that corrects the problem

D.

Power down the computer, then turn it on again to see if that corrects the problem



Answer: Option A

Explanation:



27. To install a second IDE drive into a computer, you must:

A.

Set the master-slave jumper to slave on the second drive

B.

Use the IDE configuration software to set the new drive as slave

C.

Verify that you define the new drive as D: in the CMOS setup

D.

Verify that you attach the drive to the connector at the end of the ribbon cable



Answer: Option A

Explanation:



28. Why does a successfully mapped network drive disappear every time you boot the computer?

A.

The computer you are connected to has moved

B.

You didn't click reconnect on log on

C.

The map statement is not in the autoexec.bat file

D.

The last drive was not set correctly



Answer: Option C

Explanation:



29. What do you need to check serial and parallel port?

A. Port adapter

B. Logic probe

C. Loopback plug

D. All of the above



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Answer: Option C

Explanation:



30. You have a PC with no video* Which of the following is LEAST likely to be causing the problem?

A.

defective RAM (bank zero)

B. defective microprocessor

C. crashed hard drive

D. loose video card

E. low AC outlet power


Answer: Option C 31. To test for AC ripple on a PC

power supply, you would set the volt/ohm meter for:

A. DC voltage scale

B. AC voltage

C. OHM scale

D. Farad scale



Answer: Option B

Explanation:



32. You get a CMOS checksum error during bootup. What is most likely the cause?

A. power supply is bad

B. BIOS needs updating

C.

CMOS battery is nearing end of life

D.

hard drive types are incorrectly defined



Answer: Option C

Explanation:



33. On the 16-bit ISA bus, IRQ2 is elevated to which higher level interrupt?

A. 9

B. 11

C. 13

D. 15



Answer: Option A

Explanation:



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34. When measuring AC (Alternating Current) with a multimeter, it is important to maintain the proper polarity.

A. True B. False


Answer: Option B

Explanation:



35. After trying to unload a TSR, you get an error message saying that other TSRs were loaded after the one you tried to remove. Which of the following commands could you use to see the current load order?

A. MEM /P

B. MEMMAKER

C. MEM /C

D. SYS:



Answer: Option D 36. What is a common language that

computers use to talk with one another on a network

A. client

B. adapter

C. protocol

D. operating systems



Answer: Option C

Explanation:



37. When measuring AC (Alternating Current) with a multimeter, it is important to maintain the proper polarity.

A. True B. False


Answer: Option B

Explanation:



38. Which DOS driver is used to emulate expanded memory?

A. Himem.sys

B. EMM386.exe

C. Mem386.sys

D. Ramdrive.sys



Answer: Option B

Explanation:


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Computer hardware

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Forum

39. Which should you use for cleaning Mylar-protected LCD screens?

A. Ammonia window cleaner

B. Non-abrasive cleanser

C. Anti-static wipes

D.

Alcohol-impregnated wipes



Answer: Option B

Explanation:



40. What could cause a fixed disk error?

A. No-CD installed

B. Bad RAM

C. Slow processor

D. Incorrect CMOS settings



Answer: Option D 41. ESD potential decreases with the

use of:

A. De-ionizing fans

B. A wrist strap

C.

Rubber gloves with matching cap

D. A static meter



Answer: Option B

Explanation:



42. Which of the following FRUs would be considered both an input/output device?

A. Video board

B. SCSI host adapter

C. System board CPU

D. All of the above



Answer: Option B

Explanation:



43. A COM port is a _____ port.

A. parallel B. serial

C. static D. multi

E. SCSI Answer & Explanation

Answer: Option B

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Explanation:



44. Which device is on IRQ 6?

A. Keyboard

B. IDE

C. Floppy drive

D. Video card



Answer: Option C

Explanation:



45. A system has two IDE hard drives that are each divided into primary and extended partitions, which drive letter is assigned to the primary partition of the second drive?

A. C

B. D

C. E

D. F



Answer: Option D 46. What is the most significant

difference between the USB and

IEEE1394 standards?

A. IEEE 1394 is faster

B.

USB does not support USB

C. USB is plug and play

D.

IEEE 1394 is hot swappable



Answer: Option A

Explanation:



47. When connecting two internal SCSI hard disks to a computer, where do you connect the second hard drive?

A.

Any open SCSI port on the computer

B.

A Serial port on the first host adapter

C.

An open parallel port on the computer

D.

An open SCSI port on the first hard drive



Answer: Option A

Explanation:


View

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48. When connecting a ribbon cable to a connector, how do you know which direction to plug it in?

A.

The red line in the cable goes to the highest pin number

B.

The colored line in the cable goes to pin #1

C. It does not matter

D.

The blue or red line in the cable goes away from the power connector



Answer: Option B

Explanation:



49. What is the first step in diagnosing a completely dead computer at the client site that was working the day before.

A. Test the power supply

B. replace the CMOS battery

C. check the AC outlet

D.

reseat the hard drive controller cable



Answer: Option C

Explanation:



50. What specification covers PC hard cards?

A. SCSI

B. ISA

C. PCMCIA

D. MFM



Answer: Option C 1. Which common bus specification

provides the fastest data transfer rate?

A. VL bus

B. ISA

C. PCI

D. All of the above



Answer: Option C

Explanation:



2. Modems use transmission.

A. synchronous

B. asynchronous

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C. timed interval

D. ata

E. bank


Answer: Option B

Explanation:



3. A 6xx indicates a problem with the:

A. floppy drive

B. hard drive

C. keyboard

D. CD ROM

E. All of the above


Answer: Option A

Explanation:



4. A sound card typically uses which IRQ?

A. 6

B. 5

C. 15

D. 1

E. it doesn't use an IRQ


Answer: Option B

Explanation:


5. During preventative maintenance on a dot matrix printer, do NOT lubricate:

A. Platen assembly

B. Print head pulley

C. Print head pins

D.

Paper advance gear bushings



Answer: Option C 6. You see the message "invalid

media device" after installing a new hard drive. What do you do next?

A. Format

B. Fdisk

C. Partition

D. Add the OS



Answer: Option A

Explanation:



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Forum

7. What is the modem hang up command?

A. ATHU

B. ATH

C. ATZ

D. ATX



Answer: Option B

Explanation:



8. What expansion types do most pll/plll motherboards support?

A. MCA, PCI

B. ISA, EISA

C. ISA, PCI, AGP

D. ISA, VESA, PCI



Answer: Option C

Explanation:



9. When installing an internal modem, all of the following IRQ's

can be used except?

A. 5

B. 10

C. 14

D. All of the above



Answer: Option C

Explanation:



10. An IRQ allow interface cards to:

A.

Interrupt the CPU to request service

B.

Pass data to the CPU to be processed

C.

Pass data from one card to another

D.

Pass data to the computers memory



Answer: Option A 11. A workstation has just been

installed on an Ethernet LAN, but cannot communicate with the network. What should you check first?

A.

reinstall the network protocols

B.

reinstall the network interface card driver

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C.

verify the ip configuration on the workstation

D.

verify the link status on the computer's network card



Answer: Option D

Explanation:



12. One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:

A.

The device that sends the monitor signals telling it what to display

B.

The area that regulates all of the system power usage

C.

The area where ail the of the Basic input/output routines are stored

D.

The area where all of the processing takes place



Answer: Option D

Explanation:



13. What is the i/o address for com2?

A. 2vb B. 2f8

C. 8f8 D. 330


Answer: Option B

Explanation:



14. The ESD wrist strap is designed to protect PC Components or Service Technicians ?

A. PC Components

B. Service Technicians

C. Both


Answer: Option C

Explanation:



15. You can have EISA and MCA devices in the same PC.

A. True B. False


Answer: Option B 16. The floppy drive uses which DMA

(direct memory access) channel?

A. 5 B. 4

C. 1 D. 9

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E. 2 Answer & Explanation

Answer: Option E

Explanation:



17. The DC voltage on most circuit boards is:

A. -12 volts

B. 0 volts

C. +5 volts

D. +12 volts



Answer: Option C

Explanation:



18. A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

A.

The cables are attached firmly

B.

The external drive has been preÂ¬loaded with the appropriate software

C. The external drive was

attached before the computer was on

D.

The external drive is turned on

E. All of the above


Answer: Option E

Explanation:



19. "Parity" errors usually indicate bad memory.

A. True B. False


Answer: Option A

Explanation:



20. What device protects against line deficiencies?

A. Surge protector

B. UPS

C. Logic probe

D. Capacitor



Answer: Option B 21. Which monitor would provide the

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highest level of performance?

A. VGA

B. XGA

C. CGA

D. SVGA



Answer: Option D

Explanation:



22. Which of the following items would require you to comply with EPA disposal guidelines?

A. Keyboard

B. System board

C. Power supply

D. Battery



Answer: Option D

Explanation:



23. A hard disk is divided into tracks which are further subdivided into:

A. clusters

B. sectors

C. vectors

D. heads



Answer: Option B

Explanation:



24. What is the paper feeding technology most commonly associated with dot-matrix printers?

A. sheet feed

B. tractor feed

C. friction feed

D. manual feed



Answer: Option B

Explanation:



25. COM1 is typically represented by which of the following?

A. 15 pin port

B. 9 pin male port

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C. 9 pin female port

D. 25 pin male port



Answer: Option B 26. Which step should you perform

first before discharging a CRT?

A.

Remove the CRT from its housing

B.

Disconnect the CRT from the computer

C.

Remove the video assembly

D.

Turn power off before removing power source



Answer: Option D

Explanation:



27. A capacitor is measured in which of the following units?

A. Volts

B. Ohms

C. Farads

D. Resistance



Answer: Option C

Explanation:



28. UART is a type of serial chip. Its letters stand for:

A.

unidirectional access regarding transmission

B.

universal asynchronous receiver/ transmitter

C.

upper advanced real transfer

D. unable all restore t-bits

E. use all ROM types


Answer: Option B

Explanation:



29. A system has two IDE hard drives that are each divided into primary and extended partitions, which drive letter is assigned to the primary partition of the second drive?

A. C

B. D

C. E

D. F



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Answer: Option B

Explanation:



30. What would you ask to determine if the display is working?

A.

Is there a video cursor or action on the screen?

B.

Did the computer beep or chime?

C.

Is there high voltage static on the screen

D. All of the above



Answer: Option D 31. Your CD-ROM audio cable

connects to the:

A. speaker

B.

sound card (or motherboard if sound is integrated with it)

C. power supply

D. hard drive

E. BIOS


Answer: Option B

Explanation:


View


32. In the Binary numbering system, a (1) represents a jumper being shorted and a (0) represents a jumper being open. On a three-bit jumper block on a SCSI drive, how would an ID of logical 3 be set?

A. 100

B. 010

C. 011

D. . 101



Answer: Option C

Explanation:



33. After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem?

A. IRQ

B. DMA

C. defective LPT port

D. defective tape driver

E. defective sound card.


Answer: Option A

Explanation:

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34. You are testing the resistance in Ohms of a fuse on a 15K amp system. If the fuse is good, the meter should read?

A. 0.0

B. 0.2

C. 5.0

D. 2.0



Answer: Option A

Explanation:



35. Type one PC cards:

A. are used only in desktops

B.

are no longer being produced

C.

are the thinnest of the PC cards

D. don't exist

E.

have their own power source


Answer: Option C 36. 14.4 modem should transmit

_____ bits per second

A. 14,400-15,000

B. 140-150

C. 1400-1500

D. 140,000-150,000



Answer: Option A

Explanation:



37. In laser technology, what happens during the transfer stage?

A.

Residual toner is transferred to the waste receptacle

B.

The laser transfers the image from the drum to the paper

C.

The image is transferred from the drum to the paper

D.

A negative charge is transferred to the surface of the drum



Answer: Option C

Explanation:


View

Computer hardware

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38.

_____ is the term used to refer to the process of two modems establishing communications with each other.

A.

interacting

B.

handshaking

C.

connecting

D.

linking

E.

pinging


Answer: Option B

Explanation:



39. Resistance is measured in ohm.

A. True B. False


Answer: Option A

Explanation:



40. Suppose that the power lamp in on, but the printer will not print. What can you do to correct the problem?

A.

Make sure the printer is on line

B. Replace the AC line fuse

C.

Turn the printer on and off

D. Replace the ribbon



Answer: Option A 41. The ATAPI compliance is stands

for?

A. CDROM

B. Bus mastering

C. Mass storage device

D. All of the above



Answer: Option C

Explanation:



42. A dialog box with a bomb appears on a Macintosh screen. What type of problem has occurred?

A. A RAM problem

B. A software problem

C. A ROM problem

D. An ADB problem



Answer: Option B

Explanation:

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43.

Capacitance is measured in units of:

A.

volts B. amps

C. farads D.

neutrinos

E.

anti-neutrinos


Answer: Option C

Explanation:



44. When not in use, it is very important to keep 5 1/4 diskettes in _____.

A. Their protective sleeves

B. In a plastic bag

C.

On a shelf in an upright position

D. In the floppy drive



Answer: Option A

Explanation:



45. What can you use to ensure power is not interrupted, resulting in corrupted data?

A. UPS

B. Propergrounding

C. Surge protector

D. Sag protector



Answer: Option A 46. A 25-pin female connector on the

back of your computer will typically be:

A. Serial port 1

B. A parallel port

C. Docking

D. COM2 port



Answer: Option B

Explanation:



47. In the Binary numbering system, a (1) represents a jumper being shorted and a (0) represents a jumper being open. On a three-bit jumper block on a SCSI drive, how would an ID of logical 3 be set?

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A. 100

B. 010

C. 011

D. 101



Answer: Option C

Explanation:



48. _____ help prevent power surges.

A. Surge suppressor

B. Spike protector

C. UPS system

D. High-grade multi-meter



Answer: Option A

Explanation:




A. UPS

B. Proper grounding

C. Surge protector

D.

Nuclear powered thermal protective underwear



Answer: Option A

Explanation:



50. The POST routine, which counts system board RAM first, is stored in:

A. RAM

B. microprocessor

C. ROM BIOS

D. CMOS

E. 8259 POST controller


Answer: Option C 1. The digital multimeter is set for

DC, Ohm and 20k. You will read _____ while measuring a good 2 amp fuse.

A. 0.00

B. 0.02

C. 0.20

D. 2.00



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Answer: Option A

Explanation:



2. IDE cables have how many pins?

A. 25 B. 50

C. 100 D. 40


Answer: Option D

Explanation:



3. Which of the following statements is true?

A.

Two SCSI devices connected to a computer can have the same ID if they are both hard drives.

B.

Each SCSI device must have its own ID

C.

All SCSI devices must have the same ID

D. SCSI ID's are irrelevant



Answer: Option B

Explanation:



4. What is the recommended way to fix the registry description for the printer driver

A. Delete the spool file

B.

Run regedit.exe and remove any reference to the printers

C.

Run sysedit.exe and remove any reference to the printers

D.

Remove the printer driver and reÂ¬install it



Answer: Option D

Explanation:



5. An important first step in troubleshooting which component in a laser printer is causing a jam is to:

A.

note where in the paper path the paper stops

B. check all voltages

C. look up error codes

D.

turn the printer off, then on again

E. remove the jammed paper

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Answer: Option A 6. Which of the following items would

require you t.o comply with EPA disposal guidelines?

A. Keyboard

B. System board

C. Power supply

D. Battery



Answer: Option D

Explanation:



7. What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop?

A. fuse

B. led display

C. adjustment switch

D. led display cable



Answer: Option B

Explanation:



8. One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:

A.

The device that sends the monitor signals telling it what to display

B.

The area that regulates all of the system power usage

C.

The area where all the of the Basic input/output routines are stored

D.

The area where all of the processing takes place



Answer: Option D

Explanation:



9. On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be?

A. In the modem

B. In the phone line

C. In the computer

D. In the DTC equipment



Answer: Option B

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Explanation:



10. What IRQ is used for COM 2?

A. 4

B. 3

C. 2

D. 1



Answer: Option B 11. What is the size of the reserved

memory area?

A. 64 kb

B. 384 kb

C. 640 kb

D. 1024 kb



Answer: Option B

Explanation:



12. Which would you have to upgrade to install an EIDE drive?

A. RAM BIOS

B. A 286 CPU

C. Controller board

D. ISA motherboard



Answer: Option C

Explanation:



13. Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

A. reverse vacuum

B. any small vacuum device

C.

blow real hard on the system board

D.

use a lint-free cloth and wipe gently

E. non-static compressed air


Answer: Option E

Explanation:



14. A parity error usually indicates a problem with:

A. memory

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B. hard drive

C. hard drive controller

D. I/O controller

E. power supply


Answer: Option A

Explanation:



15. What is the i/o address for com1?

A. 3e8 B. 3bc

C. 5f8 D. 3f8


Answer: Option D 16. The monitor power LED is 'on' but

the monitor screen is completely dark. The least likely cause of the problem is:

A.

Defect in the computers video circuitry

B. Disconnected video cable

C. Defective monitor

D. System RAM problem



Answer: Option D

Explanation:



17. You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?

A. as a master

B. as a secondary

C. as a slave

D. as a primary

E. as auto-select


Answer: Option C

Explanation:



18. What is your first action when windows reports that your hard drive is developing bad sectors?

A. replace the hard drive

B. run secclean from dos

C.

run defrag on the hard drive

D.

run scandisk with the "thorough" option



Answer: Option D

Explanation:

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19. In laser technology, what happens during the transfer stage?

A.

Residual toner is transferred to the waste receptacle

B.

The laser transfers the image from the drum to the paper.

C.

The image is transferred from the drum to the paper

D.

A negative charge is transferred to the surface of the drum



Answer: Option C

Explanation:



20. How many IRQs does a chain of USB devices require?

A. 1

B. 2

C. 3

D. 4



Answer: Option A 21. Resistance is measured in units

of:

A. ohms B. farads

C. helids D. amperes

E. volts Answer & Explanation

Answer: Option A

Explanation:



22. Which provides the fastest data access time?

A. RAM

B. ROM

C. CD-ROM

D. Hard disk

E. Floppy disk


Answer: Option A

Explanation:



23. How is ink transferred to paper in common ink jet printers?

A. Boiling ink

B. Crystal

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C. Motorized pump

D.

Screens deflect ink on the paper into the proper positions

E.

Ink is sprayed on to the paper and managed by a nozzle


Answer: Option B

Explanation:



24. Which component must be vacuumed or replaced during preventative maintenance on a laser printer?

A. Scanning mirror

B. Toner cartridge

C. Ozone filter

D. All of the above



Answer: Option C

Explanation:



25. Which controller would support an external CD-ROM drive?

A. ESDI

B. ARLL

C. MFM

D. SCSI



Answer: Option D 26. In inkjet printers, what is the

most common problem with the paper tray?

A. inconsistent printing

B.

malfunctioning pick-up rollers

C.

misalignment of the sheet feeder

D.

paper jamming on the ink cartridge



Answer: Option B

Explanation:



27. A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?

A. hard drive

B. video card

C. power cable

D. power supply

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Answer: Option B

Explanation:



28. The DC voltage on most circuit boards is:

A. -12 volts

B. 0 volts

C. +5 volts

D. +12 volts



Answer: Option C

Explanation:



29. On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:

A. Platten bearings

B. Carriage rails

C. Printhead

D. Paper advance bearings



Answer: Option C

Explanation:



30. The buffers statement is found in what file?

A. Config.sys

B. Autoexec.ncf

C. Autoexec.bat

D. Neb.cfg



Answer: Option A 31. What configuration should a Volt-

Ohm meter he set to when testing a fuse?

A. DC volts

B. AC volts

C. Amperage

D. Ohms



Answer: Option D

Explanation:



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32. What voltage does a 586 system use?

A. +12 volts

B. + 5 volts

C. + 8 volts

D. +3.3 volts



Answer: Option B

Explanation:



33. What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?

A. Replacing the ribbon

B. Replacing the timing belt

C.

Adjusting the paper feed tension

D.

Adjusting the tractor feed tension



Answer: Option A

Explanation:



34. If the voltage on pin 1 of the

power supply is not in the range of _____ volts, the PC will not boot.

A. 10 - 20

B. 1 - 5

C. 50 - 110

D. 15 - 25

E. 2.5 - 5


Answer: Option E

Explanation:



35. What are the most likely conditions for ESD?

A. Hot and dry

B. Hot and wet

C. Cold and dry

D. Cold and wet



Answer: Option B 36. What is the i/o address for com3?

A. 3e8 B. 345

C. ff8 D. 5e8

E. be8 Answer & Explanation

Answer: Option A

Explanation:

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37. The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?

A. Start-up utility test

B. Power on Self Test

C. Power up boot process

D. Power on start up process



Answer: Option B

Explanation:



38. In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.

A. Last 64k of conventional

B. Last 64k of extended

C.

First 64k above conventional

D. First 64k of extended



39. In addition to I/O port addresses, SCSI adapters also use a range of ROM addresses for their onboard BIOS.

A. True B. False


Answer: Option A

Explanation:



40. COM1 is typically represented by which of the following?

A. 15 pin port

B. 9 pin male port

C. 9 pin female port

D. 25 pin male port



Answer: Option B 41. A PC with a 486DX2 processor

runs internally at 50Mhz. What speed would its external logic be running?

A. l0Mhz

B. 25Mhz

C. 50Mhz

D. 100 Mhz



Answer: Option B

Explanation:

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42. A capacitor is measured in which of the following units?

A. Volts

B. Ohms

C. Farads

D. Resistance



Answer: Option C

Explanation:



43. Which device uses a DMA channel?

A. Modem

B. Network Card

C. Sound Card

D. All of the above



Answer: Option C

Explanation:


View


44. Which REQUIRES an anti-static bag for transport?

A. Monitor

B. Floppy disks

C. Power supply

D. I/O controller



Answer: Option D

Explanation:



45. Static electricity thrives is which type of environment?

A. cold and humid

B. warm and humid

C. warm and dry

D. cold and warm

E. cold and dry


Answer: Option E 46. ESD potential decreases with the

use of:

A. De-ionizing fans

B. A wrist strap

C.

Rubber gloves with matching cap

D. A static meter

Computer hardware

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Answer: Option B

Explanation:



47. With a dot matrix printer, light then dark print is most commonly caused by:

A.

Erratic paper advancement

B.

Erratic ribbon advancement

C. Misalligned print head

D. Overheating print head



Answer: Option B

Explanation:



48. How many DMA channels are there in an AT class PC?

A. 3

B. 4

C. 7

D. 8



Answer: Option D

Explanation:



49. A wrist grounding strap contains which of the following:

A. Surge protector

B. Capacitor

C. Voltmeter

D. Resistor



Answer: Option D

Explanation:



50. Every video card must have?

A. CMOS

B. RAM

C. CPU

D. All of the above



Answer: Option B

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46

1. What is the jumper setting on a SCSI device to configure it to use the fourth SCSI id? Remember, SCSI ids start with zero.

A. 010 B. 110

C. 011 D. 101


Answer: Option C

Explanation:



2. What tool is used to test serial and parallel ports?

A. high volt probe

B. cable scanner

C. loop backs (wrap plugs)

D. sniffer



Answer: Option C

Explanation:



3. Which best describes a fragmented hard drive:

A. The platters are bad

B. Data files are corrupted

C.

Clusters of data are damaged

D.

Files are not stored in consecutive clusters



Answer: Option D

Explanation:



4. What device prevents power interruptions, resulting in corrupted data?

A. Battery back-up unit

B. Surge protector

C. Multiple SIMMs strips

D. Data guard system

E. Turn off the AC power


Answer: Option A

Explanation:



5. If a computer's BIOS allows it, you can boot from a CD-ROM.

A. True B. False


Answer: Option A

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6. ISDN stands for:

A. internal select data nulls

B.

integrated services digital network

C. interval set down next

D. interior sector direct none

E. inferior sector data net


Answer: Option B

Explanation:



7. ISDN uses _____ technology.

A. only digital

B. digital and analog

C. only analog

D. neither digital nor analog

E. mostly digital


Answer: Option A

Explanation:



8. Which is LEAST likely to interfere with upgrading to a newer DOS version?

A. ROM BIOS

B. Video controller

C. Compressed drives

D. Existing backup files



Answer: Option B

Explanation:



9. A laser printer generates a totally black page, what is the cause?

A.

malfunctioning imaging laser

B.

low level in the toner cartridge

C.

no power to transfer corona

D.

no power to the primary corona



Answer: Option D

Explanation:



10. You must service the laser printer in your office. Which part of the printer shoud you avoid touching because it is hot?

Computer hardware

48

A. fuser

B. printer head

C. primary corona

D.

high-voltage power supply



Answer: Option A 11. The acronym HDI stands for:

A. Half duplex interface

B. Hard disk interface

C. Head to disk interference

D. Help desk interference



Answer: Option D

Explanation:



12. You are testing the resistance in Ohms of a fuse on a 5 amp system. If the fuse is good, the meter should read?

A. 5.0

B. 0.5

C. 0.0

D. All of the above



Answer: Option C

Explanation:



13. During the normal PC boot process, which of the following is active first?

A. RAM BIOS

B. CMOS

C. ROM BIOS

D. Hard disk information



Answer: Option C

Explanation:



14. When configuring a new network interface card for installation, which of the following would be a valid I/O address?

A. 378

B. 2F8

C. 3F8

D. 360



Computer hardware

49

Answer: Option D

Explanation:



15. Which device should not be plugged into a standard ups?

A. monitor

B. laser printer

C. ink-jet printer

D. an external modem



Answer: Option B 16. What is the main communication

method from one PDA to another PDA?

A. IR

B. USB

C. RS-232

D. IEEE 1394



Answer: Option A

Explanation:



17. What allows you to print on both

sides of the printer?

A. fuser

B. duplexer

C. toner cartridge

D. paper-swapping unit



Answer: Option B

Explanation:



18. What Does EISA stand for?

A.

Extended Industry Standard Architecture

B.

Expanded Industry Standard Architecture

C.

Enhanced Industry Standard Architecture

D.

Electronics Industry Standard Architecture

E. All of the above


Answer: Option A

Explanation:



19. A static jolt of as little of _____ volts can fry most any PC

Computer hardware

50

integrated circuit.

A. 200 B. 30

C. 1000 D. 200


Answer: Option B

Explanation:



20. A standard multimeter is ideal for measuring a monitors high voltage output.

A. True B. False


Answer: Option B

Explanation: 21. COM 4 uses which I/O port?

A. 2F8H

B. 3F8H

C. 3E8H

D. 2E8H



Answer: Option D

Explanation:



22. What type of FRU is a SCSI host adapter?

A. CPU

B. I/O card

C. video card

D. hard drive



Answer: Option B

Explanation:



23. How many DMA channels are in an AT-machine?

A. 3

B. 4

C. 7

D. 8



Answer: Option B

Explanation:



24. Which provides the fastest data access time?

A. RAM

Computer hardware

51

B. ROM

C. CD-ROM

D. Hard disk



Answer: Option A

Explanation:



25. When configuring a new network interface card for installation, which of the following would be a valid I/O address?

A. 378

B. 2F8

C. 3F8

D. 360



Answer: Option D 26. Which is NOT typically a Field

Replaceable Unit?

A. System ROM

B. Power supply

C. System chasis

D. Video controller



Answer: Option C

Explanation:



27. A human cannot feel a static discharge as high as _____ volts.

A. 200 B. 2000

C. 10000 D. 50000


Answer: Option A

Explanation:




A. UPS

B. Proper grounding

C. Surge protector

D. Sag protector



Answer: Option A

Explanation:



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52

Forum

29. Which step should you perform first before discharging a CRT?

A.

Remove the CRT from its housing

B.

Disconnect the CRT from the computer

C.

Remove the video assembly

D.

Turn power off before removing power source



Answer: Option D

Explanation:



30. What does the acronym RTS represent?

A. Required to save

B. Ready to start

C. Request to send

D. Right to separate



Answer: Option C 31. Which is the easiest component

to environmentally recycle?

A. Motherboards

B. CMOS batteries

C. Toner cartridges

D. Cathode ray tubes



Answer: Option C

Explanation:



32. What problem can occur if a printer cable is to close to a power cable?

A.

ESD Electrostatic Discharge

B.

EMI Electromagnetic Interference

C. parity error

D. no affect



Answer: Option B

Explanation:



33. ESD damage can be caused by:

A.

Placing an IC in a non-conductive plastic bag

B.

Placing an IC on a grounded mat

C. Repeated sags in current

Computer hardware

53

supplied from outlets

D.

Touching metal on the chasis



Answer: Option A

Explanation:



34. The standard VGA display has _____ pixels in its native graphics mode?

A. 648 x 320

B. 640 x 480

C. 680 x 440

D. 1024 x 786



Answer: Option B

Explanation:



35. What problem can occur if a printer cable is to close to a power cable?

A.

ESD Electrostatic Discharge

B. EMI Electromagnetic

Interference

C. parity error

D. no affect



Answer: Option B 36. How can you totally protect a PC

from damage during an electrical storm?

A.

Disconnect the AC power cable

B.

Disconnect all external cables and power cords

C. Use a surge protector

D. Turn off the AC power



Answer: Option A

Explanation:



37. The ESD wrist strap is designed to protect PC Components or Service Technicians ?

A. PC Components

B. Service Technicians

C. All of the above

D. None of the above


Answer: Option C

Computer hardware

54

Explanation:



38. To test for AC ripple on a PC power supply, you would set the volt/ohm meter for:

A. DC voltage scale

B. AC voltage

C. OHM scale

D. Farad scale



Answer: Option B

Explanation:



39. The ATAPI compliance is stands for?

A. CDROM

B. Bus mastering

C. Mass storage device

D. All of the above



Answer: Option C

Explanation:

No answer description available

for this question. Let us discuss.


40. Which of the following FRUs would be considered both an input/output device?

A. Video board

B. SCSI host adapter

C. System board CPU

D. All of the above



Answer: Option B 41. When not in use, it is very

important to keep 5 VA diskettes in _____.

A. Their protective sleeves

B. In a plastic bag

C.

On a shelf in an upright position

D. In the floppy drive



Answer: Option A

Explanation:



42. Which I/O port belongs to LPT2?

A. 378H

B. 278H

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55

C. 3f8h

D. 2e8h



Answer: Option B

Explanation:



43. What resistence in ohms should be displayed ehen testing a speaker in a computer?

A. 0 Ohms

B. 16 Ohms

C. -200 Ohms

D. Unlimited Ohms



Answer: Option B

Explanation:



44. How much video RAM is needed to display 1024x768 at 24-bit color?

A. 1MB

B. 4MB

C. 8MB

D. 512KB



Answer: Option B

Explanation:



45. All Operating Systems get their total memory initialized from?

A. CPU

B. BIOS

C. ROM

D. RAM



Answer: Option B 46. IBM's Micro Channel Architecture

(MCA) specifies which type of the following bit access widths?

A. 8 bit & 16 bit

B. 16 bit & 24 bit

C. 16 bit & 32 bit

D. 32 bit & 64 bit



Answer: Option C

Explanation:


Computer hardware

56


47. Which type of pc card (PCMCIA) slot will allow the insertion of a hard drive?

A. type I

B. type II

C. type III

D. type IV



Answer: Option C

Explanation:



48. During the fusing process, toner is:

A.

dry pressed into the paper

B.

electrically bonded to the paper

C. melted into the paper

D. glued to the paper

E.

high pressure sprayed onto the paper


Answer: Option E

Explanation:



49. Before sending data, a modem sends a request to send signal, or RTS.

A. True B. False


Answer: Option A

Explanation:



50. When a bearing in the power supply fan goes out, what should you replace?

A. fan

B. case

C. bearing

D. power supply



Answer: Option D 1. A PCMCIA measuring 10.5mm is

what type?

A. type 1

B. type 2

C. type 1 and 3

D. type 3



Answer: Option D

Computer hardware

57

Explanation:



2. What component would most likely cause a "parity error"?

A. bad hard disk

B. bad controller

C. bad RAM

D. bad software



Answer: Option C

Explanation:



3. Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:

A.

there are a lot more I/O addresses than IRQs.

B.

the BIOS sometimes has more of a problem controlling IRQs

C.

I/O addresses cannot conflict

D.

software tends to correct I/O conflicts

E.

software tends to mess up IRQs


Answer: Option A

Explanation:



4. You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?

A.

The port speed is set too high

B.

the modem has not been set up in control panel properties

C.

the phone line is plugged into the line-in port on the modem card

D.

the phone line out of the wall is plugged into the phone port on the modem card



Answer: Option D

Explanation:



5. After you service a laser printer, you notice dirty print. Which of the following would correct the problem.

A. Clean the developer tank

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B. Reset the printer

C. Run several blank pages

D. Clean the laser diode



Answer: Option C 6. After you service a laser printer,

you notice dirty print. Which of the following would correct the problem?

A. Clean the developer tank

B. Reset the printer

C. Run several blank pages

D. Clean the laser diode



Answer: Option C

Explanation:



7. During the boot process, a system first counts memory from where?

A. Expansion memory board

B. Video adapter

C. System board

D. Cache



Answer: Option C

Explanation:



8. What command is used to reset a MODEM when using the

A. ATR

B. ATZ

C. DTR

D. DCE



Answer: Option B

Explanation:



9. Modems use _____ transmission.

A. Synchronous

B. Asynchronous

C. Timed interval

D. PPP



Answer: Option B

Explanation:


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10. What should he used to extinguish a computer fire?

A. fire hose

B. class a extinguisher

C. class c extinguisher

D. silver foam water



Answer: Option C 11. In ROM BIOS, the acronym BIOS

stands for:

A. Basic Intuitive Output Set

B.

Basic Input Organizational System

C.

Basic Input Output System

D.

Basic Industry Operating System



Answer: Option C

Explanation:



12. What command is used to hand up a MODEM when using the "AT Answer Command set"?

A. ATZ

B. ATD

C. ATR

D. ATH



Answer: Option D

Explanation:



13. Why does a successfully mapped network drive disappear every time you boot the computer?

A.

The computer you are connected to has moved

B.

You didn't click reconnect on log on

C.

The map statement is not in the autoexec.bat file

D.

The last drive was not set correctly



Answer: Option C

Explanation:



14. Which hardware component controls serial port communications?

A. ROM BIOS

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B. CPU

C. DMA823

D. UART 16550



Answer: Option D

Explanation:



15. A Type 1 PCMCIA card is:

A.

The same physical size as other PCMCIA cards but configured differently

B.

The thinnest PCMCIA card, measuring 3.5mm in thickness

C.

The thickest PCMCIA card, measuring 10.5mm in thickness

D.

An old standard that is not compatible with the newest laptops



Answer: Option B 16. You have a 15 pin female

connector with the pins in two rows. What could you connect with this?

A. Serial device

B. Parallel device

C. MIDI device

D. Video device

E. Joystick


Answer: Option E

Explanation:



17. The 34-pin connection on an I/O card is for?

A. floppy drive

B. SCSI drive

C. IDE drive

D. zip drive



Answer: Option A

Explanation:



18. You run a super wing-ding diagnostic program on your PC, and it reports that your hard drive, microprocessor, RAM, and video card have seen better days. To resolve this problem you should:

A.

replace each part one at a time, rerunning the diagnostic before replacing the next part.

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B.

check to see if you have a software problem

C.

replace everything at once and rerun the diagnostic

D.

get another copy of the diagnostic program

E.

run an exhaustive memory check


Answer: Option B

Explanation:



19. On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be?

A. In the modem

B. In the phone line

C. In the computer

D. In the DTC equipment



Answer: Option B

Explanation:



20. Which of the following is a type of preventative maintenance used on a hard drive?

A. Disk check diagnostics

B.

Head alignment diagnostics

C. Initializing

D. Uninstalling programs



Answer: Option A 21. ESD damage can be caused by:

A.

Placing an IC in a non-conductive plastic bag

B.

Placing an IC on a grounded mat

C.

Repeated sags in current supplied from outlets

D.

Touching metal on the chassis



Answer: Option A

Explanation:



22. How can you totally protect a PC from damage during an electrical storm?

A.

Disconnect the AC power cable

B.

Disconnect all external cables and power cords

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C. Use a surge protector

D. Turn off the AC power



Answer: Option A

Explanation:



23. When you boot a PC and don't hear any beep, this could suggest which of the following?

A. The monitor is turned off

B. Keyboard not plugged in

C. Normal PC boot

D.

Bad or disconnected speaker



Answer: Option D

Explanation:



24. What is the file extension used by WIN95 to back up registry file when windows starts?

A. .dat

B. .dao

C. .bak

D. .tmp



Answer: Option B

Explanation:



25. A 2xx POST error code indicates a problem with:

A. RAM or ROM

B. hard drive

C. system board

D. second adapter card

E. CMOS battery


Answer: Option A 26. What are the IRQ's for sound

card?

A. IRQ8

B. IRQ4

C. IRQ5

D. IRQ7



Answer: Option C

Explanation:


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27. Your IDE hard drive is not spinning up when you turn on the PC. What is the most likely problem.

A. bad data cable

B.

incorrect jumper setting on drive

C. loose molex connector

D. virus

E. tfad system board


Answer: Option C

Explanation:



28. You can place an ISA device in an EISA slot.

A. True B. False


Answer: Option A

Explanation:



29. Which provides the fastest access to large video files?

A. Optical drives

B. IDE hard drives

C. SCSI hard drives

D. EIDE hard drives



Answer: Option C

Explanation:



30. An anti static strap uses a small _____ to make sure you do not become the least path of resistance to the ground?

A. capacitor

B. diode

C. transistor

D. resistor



Answer: Option D 31. Which best describes a

fragmented hard drive:

A. The platters are bad

B. Data files are corrupted

C.

Clusters of data are damaged

D.

Files are not stored in consecutive clusters



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Answer: Option D

Explanation:



32. What resistance in ohms should be displayed when testing a speaker in a computer?

A. Q Ohms

B. 16 Ohms

C. -200 Ohms

D. Unlimited Ohms



Answer: Option B

Explanation:



33. After displaying the directory of a floppy disk, a different floppy is inserted into the drive. The contents of the original floppy continue to display regardless of the director requests on the other floppies placed in the drive. You remove the drive in question and install it into your test system, and it does not exhibit the problem. You should next replace the:

A.

System's floppy drive device driver

B. Original IDE controller

C. Floppy drive ribbon cable

D. System's power supply



Answer: Option C

Explanation:



34. What is the best ground for a conductive work bench?

A. AC outlet

B. Ground to bench

C. To the motherboard

D. To the PC's Chassis



Answer: Option A

Explanation:



35. When you are testing a fuse, you should set the Volt-OHM meter to what scale?

A. AC

B. DC

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C. AMPS

D. OHMS



Answer: Option D 36. During boot-up, the memory

test:

A.

Is a superfluous step that should be ignored

B.


C. Is an operational error

D.




Answer: Option A

Explanation:



37. A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?

A. flash or upgrade the BIOS

B. check the CONFIG.SYS

C.

add cdrw in the device manager

D.

check the jumper setting on the cd-rw



Answer: Option D

Explanation:



38. Which is the most difficult environmentally to dispose of?

A. floppy drives

B. hard drives

C. power supplies

D. CRTs

E. system boards


Answer: Option D

Explanation:



39. Resistance is measured:

A. in parallel

B. in series

C. after breaking the circuit

D. after checking voltage

E. after checking current


Answer: Option C

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Explanation:



40. Which is LEAST likely to interfere with upgrading to a newer DOS Version?

A. ROM BIOS

B. Video controller

C. Compressed drives

D. Existing backup files



Answer: Option B 41. How may standard levels of

interrupts are provided on the 8-bit ISA bus (XT-class computer)?

A. 4

B. 8

C. 12

D. 16



Answer: Option B

Explanation:



42. "Parity" errors usually indicate bad memory

A. True B. False


Answer: Option A

Explanation:



43. IRQ6 is typically reserved for:

A. The floppy

B. The keyboard controller

C. LPT2

D. The modem



Answer: Option A

Explanation:



44. What is the most likely cause of an "FDD controller Failure" error message?

A.

you did not set the jumper on the floppy drive to drive A

B. you forgot to flash CMOS

C.

you installed the floppy disk drive cable backward

D.

your computer's floppy drive is defective

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Answer: Option C

Explanation:



45. WRAM is used on a

A. modem

B. video card

C. motherboard

D. ata connector



Answer: Option B 46. You are testing the resistance in

Ohms of a fuse on a 2 amp systems. If the fuse is good, the meter should read?

A. 2.0

B. 5.0

C. 0.0

D. 0.2



Answer: Option C

Explanation:



Forum

47. To prevent the computer from overheating you should?

A.

Remove the slot cover from the back

B.

Keep the computer cover closed

C. Remove the CPU fan

D. All of the above



Answer: Option B

Explanation:



48. How many devices does USB support?

A. 127

B. 125

C. 100

D. 225



Answer: Option A

Explanation:



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49. You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

A.

you don't worry; you have a lightning rod on your house

B.

you don't worry; you've got a surge protector on your PC

C.

you don't worry; you've got a surge protector on your PC and phone line to your modem

D.

unplug the PC and remove phone line from the modem

E. stop standing on it


Answer: Option D

Explanation:



50. Which type of system hoard is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?

A. ML

B. PCI

C. ISA

D. EISA



Answer: Option B 1. In ROM BIOS, the acronym BIOS

stands for:

A. Basic Intuitive Output Set

B.

Basic Input Organizational System

C.

Basic Input Output System

D.

Basic Industry Operating System



Answer: Option C

Explanation:



2. How many pins on a VGA?

A. 15.

B. 9

C. 25

D. 32



Answer: Option A

Explanation:



3. What is modified when changing the system start-up boot sequence?

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A. BIOS/CMOS

B. CONFIG.SYS

C. autoexec.bat

D. COMMAND.COM



Answer: Option A

Explanation:



4. Which is NOT typically a Field Replaceable Unit?

A. System ROM

B. Power supply

C. System chassis

D. Video controller



Answer: Option C

Explanation:



5. What are the most likely conditions for ESD?

A. Cold and wet

B. Cold and dry

C. Hot and wet

D. Hot and dry



Answer: Option B

6. In which mode can two or more applications be stored in memory at the same time?

A. Segmented Mode

B. Unprotected Mode

C. Real Mode

D. Protected Mode



Answer: Option D

Explanation:



7. How does a parallel port communicate information to a peripheral device?

A. one bit at a time

B. 8 bytes at a time

C. one byte at a time

D. 16,555 bytes at a time



Answer: Option C

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Explanation:



8. You suspect a virus has entered your computer. What will not be affected by the virus?

A. CMOS

B. Boot sector

C. Floppy disks

D. Program files



Answer: Option A

Explanation:



9. On PC power supplies, the wire attached to pin one is usually:

A. blue or red

B. blue or white

C. red or black

D. red or white

E. white or orange


Answer: Option E

Explanation:

No answer description available for

this question. Let us discuss.


10. To find out how much memory is available, you could type _____

A. EMM

B. MEM

C. CHKDSK

D. MEMMAKER



Answer: Option B 11. When seeking to upgrade for a

particular motherboard what do you need to know?

A. memory

B. hard drive

C. make & model

D. dimm



Answer: Option C

Explanation:



12. What is the size of a sector?

A. 512 bytes

B. 256 bytes

C. 512 Kb

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D. 1024 bytes



Answer: Option A

Explanation:



13. During the normal PC boot process, which of the following is active first?

A. RAM BIOS

B. CMOS

C. ROM BIOS

D. Hard disk information



Answer: Option C

Explanation:



14. Pick the correct choice for the 8088 CPU.

A.


B.


C.


D.


E.



Answer: Option A

Explanation:



15. In which mode can 2 or more applications be stored in memory at the same time?

A. Segmented Mode

B. Unprotected Mode

C. Real Mode

D. Protected Mode



Answer: Option D 16. A brownout is defined as:

A.

a slightly elevated voltage lasting from seconds to minutes or more

B.

a slightly decreased voltage lasting from seconds to minutes or more

C.

complete power out lasting a few minutes

D.

alternating power out, power on lasting a few minutes

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E.

has nothing to do with electricity


Answer: Option B

Explanation:



17. In which phase of the laser printing process is a positive charge placed on the paper to pull the toner from the print drum?

A. Writing

B. Transferring

C. Conditioning

D. All of the above



Answer: Option B

Explanation:



18. Which component stores an electrical charge?

A. diode B. rectifier

C. capacitor D. resistor

E. transistor Answer & Explanation

Answer: Option C

Explanation:



19. You are installing an IDE hard drive that will be your boot drive. Which is the correct order of steps that need to be followed?

A.

jumper properly, auto-detect(or configure manually) in CMOS, low level format, high level format, partition

B.

jumper properly, auto-detect(or configure manually) in CMOS, partition, high level format with / s switch

C.

jumper properly, partition, auto-detect(or configure manually in CMOS, high level format with /s switch

D.

jumper properly, auto-detect in CMOS, regular format

E.

jumper properly, partition, low level format, high level format


Answer: Option B

Explanation:



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20. Which type of cable is most likely in use with rj-45 connectors?

A. 10base2

B. 10base5

C. 10baseT

D. 10baseFL



Answer: Option C 21. To prevent toner from sticking to

a laser printer's heat rollers, apply which of the following:

A. Alcohol

B. Oil

C. Ammonia

D. Beer or Jack Daniels



Answer: Option B

Explanation:



22. Which controller would support an external CD-ROM drive?

A. ESDI

B. ARLL

C. MFM

D. SCSI



Answer: Option D

Explanation:



23. What would you ask to determine if the display is working?

A.

Is there a video cursor or action on the screen?

B.

Did the computer beep or chime?

C.

Is there high voltage static on the screen

D.

Is the brightness or contrast turned up or down?

E. All of the above


Answer: Option E

Explanation:



24. You should never put floppy drives, hard drives, or even VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of:

A. RFI B. EMI

C. EXE D. FYI

E. IOU

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Answer: Option B

Explanation:



25. How many bits in a byte?

A. 16

B. 8

C. 255

D. 10

E. 2 to the 9th power


Answer: Option B 26. What is the result of adding an IP

address to the DNS server search order

A.

It restricts browsing to that DNS server

B.

It overrides the local systems IP address

C.

It tells the DNS Server where the local system is located

D.

It tells the local system where the DNS Server is located



Answer: Option D

Explanation:



27. RS-232 is a standard that applies to?

A. Parallel port

B. Serial port

C. Game port

D. All of the above



Answer: Option B

Explanation:



28. Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?

A. defective modem

B. defective computer

C. software bug

D. bad phone line

E. virus


Answer: Option D

Explanation:


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29. You suspect a virus has entered your computer. What will not be affected by the virus?

A. CMOS

B. Boot sector

C. Floppy disks

D. Program files



Answer: Option A

Explanation:



30. How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks ?

A. DOS=High

B. devicehigh=

C. loadhigh=

D. DOS=UMB



Answer: Option D 31. Which is the easiest component

to environmentally recycle?

A. Motherboards

B. CMOS batteries

C. Toner cartridges

D. Cathode ray tubes



Answer: Option C

Explanation:



32. When connecting a ribbon cable to a connector, how do you know which direction to plug it in?

A.

The red line in the cable goes to the highest pin number

B.

The colored line in the cable goes to pin #1

C. It does not matter

D.

The blue or red line in the cable goes away from the power connector



Answer: Option B

Explanation:



33. In inkjet technology the droplets of ink are deflected by?

A. Electrically Charge Plate

B. Multi directional nozzle

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C. High pressure jets

D. All of the above



Answer: Option A

Explanation:



34. With a dot matrix printer, light then dark print is most commonly caused by:

A.

Erratic paper advancement

B.

Erratic ribbon advancement

C. Misaligned print head

D. Overheating print head



Answer: Option B

Explanation:



35. RTS stands for:

A. ready to start

B. ready to switch

C. request to send

D. request to scan

E. ready to set


Answer: Option C 36. To install a second IDE drive into

a computer, you must:

A.

Set the master-slave jumper to slave on the second drive

B.

Use the IDE configuration software to set the new drive as slave

C.

Verify that you define the new drive as D: in the CMOS setup

D.

Verity that you attach the drive to the connector at the end of the ribbon cable



Answer: Option A

Explanation:




A. UPS

B. Proper grounding

C. Surge protector

D.

Nuclear powered thermal protective underwear

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77



Answer: Option A

Explanation:



38. When configuring is a network interface cards without jumpers or plug and play, what is used to set the IRQs?

A. DMA

B. CMOS

C. the OS

D. configuration software



Answer: Option D

Explanation:



39. MSD exe does not have information on:

A. cache

B. video

C. operation system

D. com ports



Answer: Option A

Explanation:



40. What command is used to hang up a MODEM when using the "AT Command set"?

A. ATZ

B. ATD

C. ATR

D. ATH



Answer: Option D 41. Current is measured in units of:

A. volts B. amps

C. ohms D. farads

E. diodes Answer & Explanation

Answer: Option B

Explanation:



42. The standard IRQ for the floppy drive is?

A. 9

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B. 6

C. 10

D. All of the above



Answer: Option B

Explanation:



43. A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem?

A. A second bad keyboard

B.

The keyboard controller chip

C. The keyboard connector

D. The motherboard



Answer: Option A

Explanation:



44. You are testing the resistance in Ohms of a fuse on a 2 amp system. If the fuse is good, the meter should read?

A. 0.0

B. 0.2

C. 5.0

D. 2.0



Answer: Option A

Explanation:



45. To find out how much memory is available, you could type _____

A. EMM

B. MEM

C. CHKDSK

D. MEMMAKER



Answer: Option B 46. IBM's Micro Channel Architecture

(MCA) specifies which type of the following bit access widths?

A. 8 bit & 16 bit

B. 16 bit & 24 bit

C. 16 bit & 32 bit

D. 32 bit & 64 bit



Answer: Option C

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79

Explanation:



47. What is the best ground for a conductive work bench?

A. AC outlet

B. Ground to bend

C. To another device

D. Chassis ground



Answer: Option A

Explanation:



48. What could cause a fixed disk error?

A.

CDROM drive not installed

B. Incorrect CMOS settings

C. Incorrect RAM settings

D. All of the above



Answer: Option B

Explanation:

No answer description available

for this question. Let us discuss.


49. A PC with a 486DX2 processor runs internally at SOMhz. What speed would its external logic be running?

A. l0Mhz

B. 25Mhz

C. 50Mhz

D. 100 Mhz



Answer: Option B

Explanation:



50. Match the device driver HIMEM.SYS to its operation.

A.

Supports (ANSI) terminal emulation

B.

Manages the use of extended memory

C.

Uses expanded memory on a 80386 processor

D.

Supports code page switching



Answer: Option B 51. Upper Memory blocks are located

where?

computer hardware

Documents

cathode ray

terminal emulation

epa disposal

wrist grounding

field replaceable

central processing

highest binary

operational