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47 Cards in this Set
- Front
- Back
Computer memory and computer storage are available in varying sizes. Which of the following is the largest amount of memory or storage?
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Answer: terabyte (TB) |
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Which of the following are small high-speed storage locations contained by the processor that temporarily hold data and instructions?
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Answer: registers |
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On which of the following does battery life depend?
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Answer: usage |
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When a user runs an application, what transfers from a storage device to memory?
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Answer: instructions |
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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?
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Answer: USB hub |
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The faster the clock speed, the more of these the processor can execute per second. What are they?
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Answer: instructions |
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When 8 bits are grouped together as a unit, how many individual characters can these 8 bits represent?
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Answer: 256 |
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What is memory access time?
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Answer: the amount of time it takes the processor to read data, instructions, and information from memory |
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Which of the following is the component of the processor that performs arithmetic, comparison, and other operations?
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Answer: ALU |
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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?
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Answer: Intel-compatible |
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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?
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Answer: Data as a Service |
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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?
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Answer: cooling pad |
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Which of the following circuits contains many microscopic pathways capable of carrying electrical current?
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Answer: integrated |
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What does CMOS, which provides high speeds and consumes little power, stand for?
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Answer: complementary metal-oxide semiconductor |
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When determining the amount of RAM necessary for a computer you wish to purchase, what should you consider?
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Answer: the types of software you plan to use |
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Which of the following allows the processor to communicate with peripheral devices?
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Answer: expansion bus |
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Which component allows processors to perform at faster rates than those processors that do not have this component?
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Answer: advanced transfer cache |
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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?
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Answer: cloud computing |
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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)?
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Answer: memory (RAM) |
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Which of the following is the main circuit board of the system unit?
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Answer: system board |
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Where do RAM chips usually reside within a computer?
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Answer: on a memory module |
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What is the term for an electrical channel within the circuitry of a computer than can transfer 8 bytes of data at a time?
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Answer: 64-bit bus |
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Which of the following is a small piece of semiconducting material, usually silicon, on which integrated circuits are etched?
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Answer: computer chip |
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Your business is looking to rely on cloud computing services to manage your company's hardware, for example. What is the term for this?
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Answer: Infrastructure as a Service |
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Memory access times can be measured in fractions of a second. When measuring memory access times, which of the following is the fastest?
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Answer: picosecond |
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Which of the following identifies ROM chips that contain permanently written data, instructions, or information?
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Answer: firmware |
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Which of the following interprets and carries out the basic instructions that operate a computer?
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Answer: CPU |
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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?
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Answer: motherboard |
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Which of the following allows the processor to communicate with peripheral devices?
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Answer: expansion bus |
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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?
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Answer: Plug and Play |
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Which of the following is true of synchronous DRAM (SDRAM) chips?
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Answer: They are synchronized to the system clock. |
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Which kind of tablet typically does not include a physical keyboard and puts the case behind the display?
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Answer: slate |
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Which of the following describe computer memory?
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Answer: electronic components that store, among other things, instructions waiting to be executed by the processor |
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Which of the following is the least likely to need additional cooling?
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Answer: mobile devices |
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What is the purpose of the system bus?
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Answer: It connects the processor to main memory |
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If a dog is identified by scanning the shoulder or neck of the animal, what provides the information about the dog?
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Answer: a microchip |
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The processor relies on which of the following to control the timing of all computer operations?
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Answer: system clock |
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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?
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Answer: processor type |
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What are the roles of the control unit and the ALU?
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Answer: The control unit directs the operations of the ALU. |
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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?
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Answer: transistor |
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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?
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Answer: adapter |
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Which of the following is an alternate term for an adapter card?'
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Answer: expansion card |
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Which of the following can track your pulse and heart rate, as well as accept calls and display notifications from a smartphone?
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Answer: Wearable technology |
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What is the role of an address when used in the context of computer memory?
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Answer: It identifies the location of a byte in memory. |
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What are the four steps in the machine cycle?
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Answer: executing, fetching, storing, decoding |
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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?
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Answer: graphics |
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Which of the following connects the processor to cache?
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Answer: BSB |