5522398
Pregunta 1
Pregunta
What hardware defines a computer?
Respuesta
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CPU and GPU
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CPU and memory
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CPU and storage
Pregunta 2
Pregunta
What does 'volatile' mean for a computer's memory?
Respuesta
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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
Pregunta 3
Pregunta
Which is the fastest kind of memory for the CPU to access?
Respuesta
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Random access memory
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Level-1 cache memory
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Level-2 cache memory
Pregunta 4
Pregunta
Which of these is often true about a RISC mobile processor when compared to a CISC processor?
Respuesta
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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
Pregunta 5
Pregunta
Which types of memory might be used when the computer swaps data in and out of virtual memory?
Respuesta
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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
Pregunta 6
Pregunta
What is 'benchmarking'?
Respuesta
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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
Pregunta 7
Pregunta
Which of these cannot be changed once a program has been stored there?
Respuesta
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RAM
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PROM
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EEPROM
Pregunta 8
Pregunta
How does data travel between the processor and the computer's RAM?
Respuesta
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Through the expansion ports
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Using peripherals
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Using buses
Pregunta 9
Pregunta
Which of these scenarios is NOT the result of overclocking?
Respuesta
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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
Pregunta 10
Pregunta
What is 'cache'?
Respuesta
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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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