Quiz: The Fetch-Decode-Execute Cycle
OCR GCSE J277 Computer Science specification
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Welcome! You've learned why the CPU is essential. Now, let's dive deeper into the fetch-decode-execute cycle and test your understanding of how the CPU processes instructions!
What is the first step of the fetch-decode-execute cycle?
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Which components are involved in the fetch-decode-execute cycle? (Select all that apply)
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The {{blank0}} holds the memory address of the next instruction to be executed, while the {{blank1}} temporarily holds the data fetched from memory.
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Match the items on the left with their correct pairs on the right
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Match the items on the left with their correct pairs on the right
Which of the following best describes the execute stage of the fetch-decode-execute cycle?
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Which factors can improve CPU performance during the fetch-decode-execute cycle? (Select all that apply)
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During the fetch stage, the CPU copies the address of the next instruction from the {{blank0}} to the {{blank1}}.
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What is the role of the Memory Data Register (MDR)?
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