Quiz: Cache - Why the CPU Needs It
OCR GCSE J277 Computer Science specification
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Welcome! You've already learned about the CPU's role, fetch-decode-execute cycle, and key components like the ALU and registers. Now, let's test your understanding of cache memory and why it's essential for CPU performance!
What is the primary purpose of cache memory?
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Which of the following statements about cache memory are correct? (Select all that apply)
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Cache memory is a small amount of {{blank0}} memory located close to the CPU, used to store {{blank1}} accessed data.
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Match the items on the left with their correct pairs on the right
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How does cache memory improve CPU performance?
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Match the items on the left with their correct pairs on the right
Which of these is NOT a characteristic of cache memory?
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The CPU uses cache memory to reduce {{blank0}} latency by accessing data more {{blank1}}.
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What factors affect the performance of cache memory? (Select all that apply)
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What happens when the CPU cannot find the required data in the cache?
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