Practice Dependency And Sequencing (8.1.4) - Fetch Stage - Computer Organisation and Architecture

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8 questions

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6 sample questions

Question 1.
What does the Program Counter do?
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Think about which value indicates the instruction order.
Question 2.
Define memory addressing.
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Consider how the CPU knows where to fetch data.
3Question 3.
What is the primary function of the Program Counter?
- To execute instructions
- To store data
- To point to the next instruction
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Think about what guides the CPU through its tasks.
4Question 4.
Can immediate addressing fetch data without additional steps?
- True
- False
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Consider whether any further data retrieval is needed.
Question 5.
Imagine a situation in a CPU where multiple instructions are attempting to read from and write to the same register at the same time. Explain the potential issues.
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Consider how the instructions rely on the same resources.
Question 6.
Design a sequence of micro instructions needed to execute a simple 'ADD R1, [X]' instruction where [X] contains the value stored at memory address 40.
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Think about the roles of MAR, MBR, and the final destination register.

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