Practice Steps In Fetch Cycle (12.6.4) - Fetch Cycle - Computer Organisation and Architecture

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10 questions

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6 sample questions

Question 1.
What does the program counter hold?
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Think about what the processor needs to know next.
Question 2.
What is the purpose of the memory buffer register?
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Consider data flow between the CPU and memory.
3Question 3.
What is the purpose of the Program Counter?
- Holds the current instruction
- Points to the next instruction address
- Stores the address of the MBR
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Think about what the CPU needs to know to continue processing.
4Question 4.
True or False: The Memory Buffer Register is where the currently executing instruction is stored.
- True
- False
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Recall which register holds the instruction during execution.
Question 5.
Explain how a faulty PC might affect the execution of a program.
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Consider how the PC's role impacts the sequence of instruction retrieval.
Question 6.
In a scenario where the fetch cycle takes too long, suggest strategies that can speed up the process.
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Think about how multiple instructions might be processed at once.

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