Complete the missing steps of the fetch-execute cycle - Scottish Highers Computing Science - Question 5 - 2023
Question 5
Complete the missing steps of the fetch-execute cycle.
1.
2. The processor activates the read line on the control bus.
3.
4. The instruction in the instruction r... show full transcript
Worked Solution & Example Answer:Complete the missing steps of the fetch-execute cycle - Scottish Highers Computing Science - Question 5 - 2023
Step 1
1. The address bus is set up with the address (by the processor).
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Answer
This step indicates that the processor is preparing to fetch data by establishing the correct address from which to retrieve the instruction.
Step 2
3. The instruction is transferred on the data bus from memory to processor.
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Answer
At this stage, the instruction is fetched from the memory and transferred to the processor through the data bus.
Step 3
Factor
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Answer
Clock speed
Step 4
Explanation
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Answer
Increasing the clock speed allows the processor to execute more instructions per second, thereby enhancing the overall performance of the fetch-execute cycle.
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