Discovering Computers 2016: Chapter 6

Front 1

Computer memory and computer storage are available in varying sizes. Which of the following is the largest amount of memory or storage?

• terabyte (TB)
• megabyte (MB)
• gigabyte (GB)
• kilobyte (KB)
  

Back 1

Answer:

terabyte (TB)

Front 2

Which of the following are small high-speed storage locations contained by the processor that temporarily hold data and instructions?

• indices
• capacitors
• registers
• switchers
  

Back 2

Answer:

registers

Front 3

On which of the following does battery life depend?

• indices
• resolution
• usage
• dimensionality
  

Back 3

Answer:

usage

Front 4

When a user runs an application, what transfers from a storage device to memory?

• operations
• registrations
• instructions
• cache
  

Back 4

Answer:

instructions

Front 5

You want to add a new external hard disk to your computer, but you are unable to connect because you have run out of USB ports. Which of the following can you use instead?

• ExpressCard module
• USB hub
• peripheral index
• CPU center
  

Back 5

Answer:

USB hub

Front 6

The faster the clock speed, the more of these the processor can execute per second. What are they?

• functions
• arguments
• instructions
• registers
  

Back 6

Answer:

instructions

Front 7

When 8 bits are grouped together as a unit, how many individual characters can these 8 bits represent?

• 8
• 100
• 256
• 844
  

Back 7

Answer:

256

Front 8

What is memory access time?

• the amount of time required to fetch and execute a single instruction by the processor provided the instruction is already stored in memory
• the amount of time necessary to switch a bit from the value 0 to the value 1
• the amount of time in which a single byte of data can be stored in cache memory
• the amount of time it takes the processor to read data, instructions, and information from memory
  

Back 8

Answer:

the amount of time it takes the processor to read data, instructions, and information from memory

Front 9

Which of the following is the component of the processor that performs arithmetic, comparison, and other operations?

• control unit
• CPU
• machine unit
• ALU
  

Back 9

Answer:

ALU

Front 10

AMD is the leading manufacturer of which of the following kinds of processors, which have an internal design similar to Intel processors, perform the same functions, can be as powerful, but often are less expensive?

• Celeron-compatible
• Macintosh-compatible
• Xeon-compatible
• Intel-compatible
  

Back 10

Answer:

Intel-compatible

Front 11

Your business is looking to rely on cloud computing services to make data available to its developers to incorporate in applications. What is the term for this?

• Infrastructure as a Service
• Software as a Service
• Data as a Service
• Platform as a Service
  

Back 11

Answer:

Data as a Service

Front 12

Which of the following rests below a laptop and protects the computer from overheating and also your lap from excessive heat?

• lap pad
• cooling pad
• heat sink
• heat blanket
  

Back 12

Answer:

cooling pad

Front 13

Which of the following circuits contains many microscopic pathways capable of carrying electrical current?

• systematized
• calibrated
• integrated
• indexed
  

Back 13

Answer:

integrated

Front 14

What does CMOS, which provides high speeds and consumes little power, stand for?

• complementary metal-oxide semiconductor
• circuit method-off-synched
• cache memory on silicon
• classic measured online semiconductor
  

Back 14

Answer:

complementary metal-oxide semiconductor

Front 15

When determining the amount of RAM necessary for a computer you wish to purchase, what should you consider?

• the processing speed of the CPU
  
• the size of the computer monitor
  
• the number of expansion slots found in the computer
  
• the types of software you plan to use
  

Back 15

Answer:

the types of software you plan to use

Front 16

Which of the following allows the processor to communicate with peripheral devices?

• power bus
• interpolated bus
• expansion bus
• index bus
  

Back 16

Answer:

expansion bus

Front 17

Which component allows processors to perform at faster rates than those processors that do not have this component?

• flash cache
• nano-cache
• advanced transfer cache
• L612 cache
  

Back 17

Answer:

advanced transfer cache

Front 18

Which of the following refers to an environment of servers that house and provide access to resources users access via the Internet?

• peripheral computing
  
• cloud computing
• embedded computing
• dynamic computing
  

Back 18

Answer:

cloud computing

Front 19

Which of the following consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processed data (information)?

• concatenation
• memory
• concepting
• dynamism
  

Back 19

Answer:

memory (RAM)

Front 20

Which of the following is the main circuit board of the system unit?

• index board
• system board
• control board
• master board
  

Back 20

Answer:

system board

Front 21

Where do RAM chips usually reside within a computer?

• in a memory slot
• on a memory module
• on the memory digital dynamic circuit board
• in the processor/memory signal cache circuitry
  

Back 21

Answer:

on a memory module

Front 22

What is the term for an electrical channel within the circuitry of a computer than can transfer 8 bytes of data at a time?

• 800 MHz circuit path
• 32-bit bus
• 64-bit bus
• system channel port (8-byte)
  

Back 22

Answer:

64-bit bus

Front 23

Which of the following is a small piece of semiconducting material, usually silicon, on which integrated circuits are etched?

• computer port
• computer chip
• computer roster
• computer plug
  

Back 23

Answer:

computer chip

Front 24

Your business is looking to rely on cloud computing services to manage your company's hardware, for example. What is the term for this?

• Software as a Service
• Infrastructure as a Service
• Data as a Service
• Platform as a Service
  

Back 24

Answer:

Infrastructure as a Service

Front 25

Memory access times can be measured in fractions of a second. When measuring memory access times, which of the following is the fastest?

• millisecond
• microsecond
• picosecond
• nanosecond
  

Back 25

Answer:

picosecond

Front 26

Which of the following identifies ROM chips that contain permanently written data, instructions, or information?

• express-ROM
• firmware
• cache
• metal-oxide
  

Back 26

Answer:

firmware

Front 27

Which of the following interprets and carries out the basic instructions that operate a computer?

• compressor
• binary device
• CPU
• control unit
  

Back 27

Answer:

CPU

Front 28

When your friend opened the case containing the electronic components of his computer, he saw the main circuit board for the computer. What is this circuit board called?

• control board
• electronic circuit primary board
• command board
• motherboard
  

Back 28

Answer:

motherboard

Front 29

Which of the following allows the processor to communicate with peripheral devices?

• power bus
• expansion bus
• index bus
• interpolated bus
  

Back 29

Answer:

expansion bus

Front 30

Which of the following means the computer automatically can configure cards like the one in the accompanying figure and other peripherals as users install them?

• Which of the following means the computer automatically can configure cards like the one in the accompanying figure and other peripherals as users install them?a.Plug and Playb.concatenationc.daisy chainingd.GIGOconcatenation
  
• daisy chaining
• GIGO
  

Back 30

Answer:

Plug and Play

Front 31

Which of the following is true of synchronous DRAM (SDRAM) chips?

• They do not have to be re-energized as often as DRAM chips.
• They use pipelining techniques.
• They are synchronized to the system clock.
• They transfer data twice for each clock cycle, when compared to DRAM.
  

Back 31

Answer:

They are synchronized to the system clock.

Front 32

Which kind of tablet typically does not include a physical keyboard and puts the case behind the display?

• convertible
• slate
• integrated
• console
  

Back 32

Answer:

slate

Front 33

Which of the following describe computer memory?

• chips stored on the computer processor board that interact with both the system unit and the processor in order to extract the data required for processing
• electronic components that store, among other things, instructions waiting to be executed by the processor
• manufactured devices that store a single digital address at a time in order to facilitate an orderly transfer of data within a computer
• a series of digital devices embedded within computers that interprets commands from computer users and remembers them for future reference in order to increase the processing power of a computer
  

Back 33

Answer:

electronic components that store, among other things, instructions waiting to be executed by the processor

Front 34

Which of the following is the least likely to need additional cooling?

• supercomputers
• minicomputers
• mobile devices
• desktops
  

Back 34

Answer:

mobile devices

Front 35

What is the purpose of the system bus?

• It connects the processor to main memory
• It connects the processor to peripherals.
• It connects the processor to cache.
• It connects main memory to peripherals.
  

Back 35

Answer:

It connects the processor to main memory

Front 36

If a dog is identified by scanning the shoulder or neck of the animal, what provides the information about the dog?

• an ALU
• a microchip
• a tattooed ID number identified by the scanning device
• an animal ID processor
  

Back 36

Answer:

a microchip

Front 37

The processor relies on which of the following to control the timing of all computer operations?

• unit clock
• master clock
• system clock
• control clock
  

Back 37

Answer:

system clock

Front 38

You are going to purchase a mass-produced computer from your local computer store. Which of the following is likely a component you can customize?

• video card
• sound card
• processor type
• all of the above
  

Back 38

Answer:

processor type

Front 39

What are the roles of the control unit and the ALU?

• The ALU carries out different operations based on comparing items and the control unit ensures the results of the comparisons are accurately interpreted.
  
• The ALU directs the operations of the control unit.
  
• The control unit directs the operations of the ALU.
  
• The ALU acts as a traffic cop and the control unit coordinates most operations in the computer.
  

Back 39

Answer:

The control unit directs the operations of the ALU.

Front 40

Which of the following is contained on an integrated circuit and can act as an electronic switch that opens or closes the circuit for electrical charges?

• transistor
• resistor
• switcher
• capacitor
  

Back 40

Answer:

transistor

Front 41

As shown in the accompanying figure, which of the following kinds of card is a circuit board that enhances functions of a component of the system unit and/or provides connections to peripherals?

• conversion
• microcode
• adapter
• peripheral
  

Back 41

Answer:

adapter

Front 42

Which of the following is an alternate term for an adapter card?'

• expansion card
• router
• bus card
• register
  

Back 42

Answer:

expansion card

Front 43

Which of the following can track your pulse and heart rate, as well as accept calls and display notifications from a smartphone?

• Wearable technology
• Smart tags
• RFID devices
• Big data
  

Back 43

Answer:

Wearable technology

Front 44

What is the role of an address when used in the context of computer memory?

• It identifies the location of a byte in memory.
• It determines the amount of data a computer can process over a given period of time.
• It automatically registers each byte that is stored in memory.
• It determines whether the data stored in memory is represented as ASCII or as 8-bit and then indicates to the processor the type of processing that is allowed for the data.
  

Back 44

Answer:

It identifies the location of a byte in memory.

Front 45

What are the four steps in the machine cycle?

• arithmetic calculations, comparison, storing, pipelining
• executing, fetching, storing, decoding
• storing, executing, registering, cycling
• decoding, fetching, executing, controlling
  

Back 45

Answer:

executing, fetching, storing, decoding

Front 46

Which of the following cards converts computer output into a video signal that travels through a cable to the monitor, which displays an image on the screen?

• output
• express
• graphics
• PC
  

Back 46

Answer:

graphics

Front 47

Which of the following connects the processor to cache?

• BSB
• expansion bus
• FSB
• system bus
  

Back 47

Answer:

BSB