Web viewComputers Are Your Future, 12e (LaBerta) Chapter 2 Inside the System Unit. 1) A byte: A) is the equivalent of eight binary digits. B) represents one digit

Computers Are Your Future, 12e (LaBerta)

Chapter 2 Inside the System Unit

1) A byte:

A) is the equivalent of eight binary digits.

B) represents one digit in the decimal numbering system.

C) is the smallest unit of information that a computer can process.

D) can be compared to the state of one light switch being either on or off.

Answer: A

Diff: 2

Reference: Representing Data as Bits and Bytes

2) Computers count with ________ numbers.

A) regular

B) binary

C) decimal

D) digital

Answer: B

Diff: 2


3) Of the following, which represents the largest amount of data?

A) Terabyte

B) Megabyte

C) Petabyte

D) Kilobyte

Answer: C

Diff: 2


4) Approximately how much text is stored in a gigabyte?

A) 1 page

B) 1,000 pages

C) 1 book

D) 1,000 books

Answer: D

Diff: 3


5) A yottabyte represents 1 ________ bytes.

A) septillion

B) million

C) quadrillion

D) trillion

Answer: A

Diff: 3


6) Five bits result in ________ possibilities.

A) 5

B) 20

C) 26

D) 32

Answer: D

Diff: 3


7) Comparing a binary digit to a ________ is an easy-to-understand analogy.

A) highway

B) light switch

C) storage bin

D) memory chip

Answer: B

Diff: 3


8) The hexadecimal representation for the decimal 10 is:

A) 10.

B) B.

C) 15.

D) A.

Answer: D

Diff: 3


9) Hexadecimal numbers are represented using numbers 0 to 9 and letters ________.

A) A to F

B) A to Z

C) A to D

D) None of the above

Answer: A

Diff: 3


10) A ________ is the smallest unit of information that a computer can work with.

A) byte

B) bit

C) register

D) hex

Answer: B

Diff: 2


11) Floating-point notation:

A) has no advantage if used with numbers containing fractional points.

B) uses no fixed number of digits before or after the decimal point.

C) requires newer computers to have a special chip called a math coprocessor.

D) allows the computer to work with very large, but not very small, numbers.

Answer: B

Diff: 2

Reference: Representing Very Large and Very Small Numbers

12) All of the following are examples of character codes EXCEPT:

A) SCSI.

B) ASCII.

C) EDCDIC.

D) Unicode.

Answer: A

Diff: 2

Reference: Representing Characters: Character Code

13) An algorithm used as a bridge between binary code and keyboard characters is known as:

A) cache.

B) hot swapping.

C) data dependency.

D) character code.

Answer: D

Diff: 2


14) ________ is becoming more popular than previously used character codes due to its ability to represent most, if not all, of the world's languages.

A) Extended ASCII

B) ASCII

C) Unicode

D) EDCDIC

Answer: C

Diff: 2


15) The most widely used character code is:

A) EBCDIC.

B) HTML.

C) ASCII.

D) Unicode.

Answer: C

Diff: 2


16) The ________ contains a computer's main hardware components.

A) motherboard

B) system unit

C) CPU

D) master case

Answer: B

Diff: 1

Reference: Introducing the System Unit

17) Which of the following components would NOT be found inside the system unit?

A) Motherboard

B) USB port

C) Power supply

D) Cooling fan

Answer: B

Diff: 1

Reference: Inside the System Unit

18) In the strictest sense of the term, the ________ contains the CPU.

A) system unit

B) unit frame

C) motherboard

D) computing platform

Answer: C

Diff: 1

Reference: Inside the System Unit

19) Which of the following would NOT be found on the motherboard?

A) Microprocessor

B) System clock

C) Drive bays

D) Input/output buses

Answer: C

Diff: 2

Reference: What's on the Motherboard?

20) The central processing unit (CPU):

A) plays a minimal role in processing data.

B) is different from a microprocessor.

C) is a fairly simple device.

D) is an integrated chip capable of processing signals.

Answer: D

Diff: 1

Reference: The CPU: The Microprocessor

21) A processor's instruction set:

A) is unique to the type of processor.

B) is the same for different types of processors.

C) will run programs that were created for an incompatible processor.

D) has nothing to do with the ability of the computer to run a program.

Answer: A

Diff: 2

Reference: The Instruction Set

22) The four-step process of fetch, decode, execute, and store is called a(n):

A) arithmetic operation.

B) machine cycle.

C) instruction cycle.

D) logical operation.

Answer: B

Diff: 1

Reference: Microprocessor Performance

23) Which of the following subcomponents of the CPU takes instructions from memory and decodes and executes the instructions?

A) Arithmetic-logic unit

B) Microprocessor

C) Data bus

D) Control unit

Answer: D

Diff: 2


24) Which of the following is NOT one of the steps in the machine cycle?

A) Pipeline

B) Decode

C) Execute

D) Store

Answer: A

Diff: 2


25) The greater the number of ________ on a microprocessor, and proximity to each other, the faster the processing speed.

A) transistors

B) disks

C) buses

D) registers

Answer: A

Diff: 2


26) Which of the following operating systems was the first to use the 64-bit technology?

A) Mac OS X

B) Linux

C) MS-DOS

D) Windows XP

Answer: B

Diff: 3

Reference: Data Bus Width and Word Size

27) A CPU's word size is important because it determines which ________ the CPU can use.

A) application software

B) input devices

C) disk storage

D) operating system

Answer: D

Diff: 3

Reference: Data Bus Width and Word Size

28) The number of operations per clock tick affects:

A) microprocessor performance.

B) monitor resolution.

C) disk drive capacity.

D) the bus size.

Answer: A

Diff: 1

Reference: Operations per Cycle

29) A technique that uses more than one processor to execute a program is called:

A) parallel processing.

B) serial processing.

C) co-processing.

D) megaprocessing.

Answer: A

Diff: 1

Reference: Parallel Processing

30) Which of the following input/output buses is used by today's PCs?

A) PCI

B) CPU

C) L2

D) AGP

Answer: A

Diff: 2

Reference: The Chipset and the Input/Output Bus

31) RAM stands for:

A) rapidly accessed memory.

B) random access memory.

C) reliable associated memory.

D) repeated auxiliary memory.

Answer: B

Diff: 1

Reference: RAM

32) Each memory address is stored in ________ form.

A) serial

B) compressed

C) parallel

D) binary

Answer: D

Diff: 1

Reference: RAM

33) Although introduced in 1995, the USB didn't become widely used until the release of the:

A) Blackberry.

B) iMac.

C) iPod.

D) iTunes.

Answer: B

Diff: 3

Reference: USB Ports

34) A memory ________ is the amount of RAM a program uses when it is operational.

A) stash

B) footprint

C) cache

D) utility

Answer: B

Diff: 1

Reference: RAM

35) Which of the following types of memory has L1, L2, and L3 levels of storage?

A) RAM

B) ROM

C) cache

D) flash

Answer: C

Diff: 1

Reference: Cache Memory

36) How many peripheral devices can be connected to a single USB port?

A) 1

B) 8

C) 64

D) 127

Answer: D

Diff: 3

Reference: USB Ports

37) On non-Apple systems, the FireWire port is called a ________ port.

A) 1439

B) 2008

C) 1995

D) 1394

Answer: D

Diff: 2

Reference: 1394 Ports (FireWire)

38) The ExpressCard is also known as the ________ card.

A) SCSI

B) PCMCIA

C) PS/2

D) VGA

Answer:

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Web viewComputers Are Your Future, 12e (LaBerta) Chapter 2 Inside the System Unit. 1) A byte: A) is the equivalent of eight binary digits. B) represents one digit