Chapter 1 Introducing Hardware

Chapter 1 Introducing Hardware

1. Why is all data stored in a Computer in binary form?

Answer

• Because computers only understand the binary numbers. (0, 1)

2. What are the four primary functions of hardware?

Answer

• Input• Output• Storage• Processing

3. What are the 2 main input devices and 2 main output devices?

Answer

• Inputo Keyboard, Mouse

• Outputo Monitor, Printer

4. What 3 things do electronic hardware devices need in order to

function?

Answer

• A method for the CPU to communicate with the device

• Software for instruction• Electricity for power

5. How many bits are in a byte?

Answer

6. What is the purpose of an expansion slot on the motherboard?

Answer

• To connect peripheral devices to the motherboard (sound/video networks)

7. Which component on the motherboard is used for

processing?

Answer

• CPU (Central Processing Unit)

8. Name three CPU manufacturers ?

Answer

• AMD• Intel• VIA

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17.) Of the two types of storage in a system, which type is generally faster and holds data and instructions while the data is being processed? Which type of storage is generally slower, but more

permanent?

1. RAM2. ROM

ANSWER:

18. What technology standard provides for up to four devices on a system, including the hard drive as one of those devices? What are two common industry names loosely used to describe this standard?

1. Serial ATA Standard2. SATA, Serial ATA

ANSWER:

19. What is the size of the data path on most system buses today?

16, 32, 64, 128

ANSWER:

20. What is the measurement of frequency of a system bus and CPU? Which is faster, the system bus or the CPU?

1. Buses: 1066 MHz, 800 MHz, 533 MHz, or 400 MHz2. CPU: 166 MHz to 4 GHz3. CPU

ANSWER:

21. Name four types of buses that might be on a motherboard today.

1. PCI Express Bus2. PCI Bus3. AGP Bus4. ISA Bus

ANSWER:

22. A power supply receives 120 volts of ____ power from a wall outlet and converts it to 3.3, 5, and 12 volts of ____ power.

1. AC2. DC

ANSWER:

23. ROM BIOS or firmware chips that can be upgraded without replacing the chips are called____.

Flash ROM

ANSWER:

24. CMOS setup allows a technician to change

configuration settings on a motherboard stored in

_________.

ANSWERS:

ROM chip

25. Name three examples of secondary storage

devices.

ANSWER:

•Hard Drive•CD•Floppy Disk

26. A hertz is ______ cycles per second; a megahertz is _______ cycles per second, and a gigahertz is _______

cycles per second.

ANSWER:

Hertz= 1Megahertz= 1 millionGigahertz= 1 billion

27. An AGP slot is normally used for a(n)

________ expansion card.

ANSWER:

Video

28. How many sizes of PCI Express slots are

currently manufactured for

personal computers?

2

ANSWER:

29. Name the three purposes the motherboard

ROM BIOS serves.

•manage simple devices (system BIOS),

•start the computer (startup BIOS),

•change settings on the motherboard (CMOS setup).

ANSWER:

30. From where does CMOS RAM receive its power?

Coin Battery

ANSWER: