Test 2 Questions

25 July 2022
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question
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)?
answer
memory
question
On which of the following does battery life depend?
answer
usage
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Current processors include advanced transfer cache, a type of cache built directly on a processor chip. Which type of cache is this?
answer
L2 cache
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Within the circuitry of a computer, each channel along which bits transfer allows the various devices both inside and attached to the system unit to communicate with each other. What are these channels, shown in the accompanying figure, called?
answer
buses
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What is the best analog for a 32-bit bus?
answer
A 32-lane highway
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How many fans are typically in a desktop case?
answer
At least 3
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What is memory access time?
answer
the amount of time it takes the processor to read data, instructions, and information from memory
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You want to allow sound to be input through a microphone and output through external speakers on your computer. What must you have in order to do this?
answer
sound card
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When someone reads a research paper about computers and runs across the term, bit, to what is the paper referring?
answer
the smallest unit of data a computer can process
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What is the unit of measurement for the clock speed for the channel shown in the accompanying figure?
answer
Hertz
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Which of the following processors is a single chip with two or more separate processor cores?
answer
Multi-core
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Which of the following is the component of the processor that directs and coordinates most of the operations in the computer?
answer
Control unit
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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?
answer
Intel-compatible
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Which of the following types of memory modules, such as that shown in the accompanying figure, positions the pins on opposite sides of the circuit board so they do not connect and thus form two sets of contacts?
answer
DIMM
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If you see eight numbers such as 01000101 grouped together and you are told these numbers represent the letter E, what is this combination of numbers called?
answer
A coding scheme
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When 8 bits are grouped together as a unit, how many individual characters can these 8 bits represent?
answer
256
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What is memory access time?
answer
the amount of time it takes the processor to read data, instructions, and information from memory
question
What component converts the AC power in a wall plug to the DC power required by a computer?
answer
Power supply
question
What are three names for the electronic component that interprets and carries out the basic instructions that operate a computer?
answer
CPU, processor, central processing unit
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When you examine a computer chip under a microscope, what will you see?
answer
integrated circuits
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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?
answer
USB hub
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What numbering system uses only the numbers 0 and 1?
answer
Binary system
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Some computer and chip manufacturers use which of the following terms to refer to a personal computer processor chip?
answer
microprocessor
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What type of circuit board is used to convert computer output into a video signal that displays an image on a monitor?
answer
graphics card
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Which of the following determines the number of bits that the computer can transmit at one time?
answer
bus width
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What is unique about a multi-core processor?
answer
It is a single chip with two or more separate processor cores.
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In the accompanying figure, what on the motherboard holds the memory modules?
answer
memory slots
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What is the role of an address when used in the context of computer memory?
answer
It identifies the location of a byte in memory.
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When your friend turns off her computer, what kind of memory loses its contents?
answer
volatile
question
Which of the following circuits contains many microscopic pathways capable of carrying electrical current?
answer
integrated
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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?
answer
Plug and Play
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When a user runs an application, what transfers from a storage device to memory?
answer
Instructions
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Which of the following allows the processor to communicate with peripheral devices?
answer
Expansion bus
question
With the cover off the system unit of a lab computer, your instructor pointed out a type of nonvolatile memory that can be erased electronically and rewritten. What did your instructor call this memory?
answer
Flash memory
question
Which of the following is a cache separate from the processor chip on the item shown in the accompanying figure?
answer
L3 cache
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Which of the following is a type of nonvolatile memory that can be erased electronically and rewritten?
answer
Flash memory
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Which of the following should you have if you plan to connect your computer or mobile device to a wired computer network?
answer
Ethernet Port
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Which of the following is an alternate term for an adapter card?
answer
expansion card
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Which of the following describe computer memory?
answer
electronic components that store, among other things, instructions waiting to be executed by the processor
question
If a dog is identified by scanning the shoulder or neck of the animal, what provides the information about the dog?
answer
a microchip
question
Which of the following is a register function?
answer
storing the location from where an instruction was fetched
question
The accompanying figure shows which of the following kinds of modules, which are small circuit boards where RAM chips usually reside, being inserted into the motherboard?
answer
memory
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What is the process of copying items from RAM to a storage device?
answer
Saving
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Which of the following is the main circuit board of the system unit?
answer
system board
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Computer memory and computer storage are available in varying sizes. Which of the following is the largest amount of memory or storage?
answer
Terabyte
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The role of memory to store both data and programs is known as which of the following concepts?
answer
stored program
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Which of the following identifies three types of RAM in sequence from the slowest to the fastest?
answer
DRAM, SRAM, RDRAM
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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?
answer
Data as a Service
question
One gigahertz (GHz) equals how many ticks of the system clock per second?
answer
one billion
question
Which of the following adapter cards connects to musical instruments?
answer
MIDI
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Which of the following refers to an environment of servers that house and provide access to resources users access via the Internet?
answer
cloud computing
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Which of the following is the least likely to need additional cooling?
answer
mobile devices
question
To which of the following is a control unit most analogous?
answer
traffic officer
question
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?
answer
Intel-compatible
question
Which kind of tablet positions the case below a keyboard, providing functionality similar to that of a laptop?
answer
convertible
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Which of the following rests below a laptop and protects the computer from overheating and also your lap from excessive heat?
answer
cooling pad
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Which of the following is an application that incorporates data from multiple providers into a new application?
answer
mashup
question
When someone reads a research paper about computers and runs across the term, bit, to what is the paper referring?
answer
the smallest unit of data a computer can process
question
The faster the clock speed, the more of these the processor can execute per second. What are they?
answer
instructions
question
Which kind of tablet typically does not include a physical keyboard and puts the case behind the display?
answer
Slate
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What method do chip manufacturers use to identify their chips?
answer
model name or number
question
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?
answer
Adapter
question
If your instructor turns on his computer and then starts a web browser, what contents are in RAM?
answer
the web browser instructions and certain operating system instructions
question
A computer technician told your friend he needed a circuit board that provides a connection to a peripheral device for use with his computer. What category of circuit board should your friend purchase?
answer
Adapter Card
question
Which of the following is the International Electronics Commission working to make the universal connector standard for charging mobile devices?
answer
micro USB
question
What is the term for an electrical channel within the circuitry of a computer than can transfer 8 bytes of data at a time?
answer
64-bit bus