Chapter Two Midterm Review

Chapter Two Midterm Review

Jessica Katelyn

Question One

• True or False• The true measure of processor

performance is the amount of time it takes to execute an instruction.

Answer One

•True

Question Two

• True or False• Faster clock speeds generate more

heat in a system and require larger cooling systems.

Answer Two

•True

Question Three

• True or False• Compared to other types of

secondary storage, flash memory can be accessed more quickly, consumes less power, and is smaller in size

Answer Three

•True

Question Four

• True or False• The binary number system uses only

two values, 0 and 1, and is used by computers and digital devices to represent and process data.

Answer Four

•True

Question Five

• True or False• If false, change the underline word or

phase to make the statement true.• The microprocessor, invented in 1947 at

Bell Labs, has become the key ingredient of all digital circuits, including those used in computers.

Answer Five

•False, transistor.

Question Six

• True or False• If false, change the underline word or

phase to make the statement true.• Data flows back and forth between the

CPU and RAM across the system bus.

Answer Six

•True

Question Seven

• True or False• If false, change the underline word or

phase to make the statement true.• Processing has been defined as the

ability to maintain data within the system temporarily or permanently.

Answer Seven

•False, Storage.

Question Eight

• True or False• If false, change the underline word or

phase to make the statement true.• DVDs are the only disk with the capacity

to store an entire digitized motion picture.

Answer Eight

•True

Question Nine

• Multiple Choice• What is the act of manipulating data

in a manner defined by programmed instructions?• A. Input C. Storage• B. Output D. Processing

Answer Nine

•D. Processing

Question Ten

• Multiple Choice• A _________ is one of many tiny dots

that make up a picture in the computer’s memory.• A. Bit C. Bitmap • B. Pixel D. Byte

Answer Ten

• B. Pixel

Question Eleven

• _________ is a measure of the number of pixels on the screen.

• A. Optical mark recognition C. Display Resolution• B. Optical character recognition D. CRT

Answer Eleven

•C. Display Resolution

Question Twelve

• Users interact with computers through ______devices.• A. I/O C. USB• B. ALU D. Control

Answer Twelve

•A. I/O

Question Thirteen

• Large-capacity hard drives have made possible _______ such as TiVo.• A. VCRs C. DVDs• B. DVRs D. XVRs

Answer Thirteen

•B. DVRs

Question Fourteen

• The primary circuit board of a computing device is known as the______________.

Answer Fourteen

•Motherboard

Question Fifteen

• Handheld computers and tablet PCs use a(n)___________ that allows you to select items on the screen by touching them with your finger or a stylus.

Answer Fifteen

•Touch screen