5522398
Questão 1
Questão
What hardware defines a computer?
Responda
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CPU and GPU
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CPU and memory
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CPU and storage
Questão 2
Questão
What does 'volatile' mean for a computer's memory?
Responda
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Data and instructions remain stored even when the computer is switched off
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Data and instructions may cause the computer to crash
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Data and instructions are lost when the computer is switched off
Questão 3
Questão
Which is the fastest kind of memory for the CPU to access?
Responda
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Random access memory
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Level-1 cache memory
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Level-2 cache memory
Questão 4
Questão
Which of these is often true about a RISC mobile processor when compared to a CISC processor?
Responda
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RISC processor speed is faster than CISC so games and video playback are faster
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The RISC processor has a larger set of instructions
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The RISC processor speed is slower to preserve battery life and avoid overheating
Questão 5
Questão
Which types of memory might be used when the computer swaps data in and out of virtual memory?
Responda
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Random access memory and cache memory
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A hard disk drive and random access memory
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A hard disk drive and cache memory
Questão 6
Questão
What is 'benchmarking'?
Responda
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A test used to measure the amount of memory that a computer has
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A test used to measure the number of cores in a CPU
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A test used to measure the performance of a computer
Questão 7
Questão
Which of these cannot be changed once a program has been stored there?
Responda
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RAM
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PROM
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EEPROM
Questão 8
Questão
How does data travel between the processor and the computer's RAM?
Responda
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Through the expansion ports
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Using peripherals
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Using buses
Questão 9
Questão
Which of these scenarios is NOT the result of overclocking?
Responda
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The computer will end up displaying the incorrect time and date
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Processes might not be completed before the next instruction is carried out
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The CPU could overheat
Questão 10
Questão
What is 'cache'?
Responda
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It stores program operations and data while a program is being executed
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It executes programs using the fetch-decode-execute cycle
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It is a small amount of memory which is a part of the CPU
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