Practice Memory Data Register Operations (15.1.4) - Indirect Mode - Computer Organisation and Architecture

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8 questions

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6 sample questions

Question 1.
What is the function of the Memory Data Register?
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Think about what happens just before data moves to/from memory.
Question 2.
Define indirect addressing.
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What does it mean if an address points to another address?
3Question 3.
What does indirect addressing refer to?
- Direct access to data
- Data stored in another location
- Access to CPU registers
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Remember the relationship between addresses.
4Question 4.
True or False: Register indirect addressing always executes faster than indirect addressing.
- True
- False
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Think about the number of accesses involved.
Question 5.
Explain how the performance of a CPU changes when using indirect vs register indirect addressing in terms of cycle count.
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Consider how data retrieval processes differ between methods.
Question 6.
Compute the potential time savings in execution cycles when switching from indirect to register indirect addressing.
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Quantify how direct multiple accesses affect performance.

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