Practice Register Addressing (29.2.4) - Addressing Modes - Computer Organisation and Architecture

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6 sample questions

Question 1.
What is immediate addressing?
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Think about how directly you can access data.
Question 2.
Define direct addressing.
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Consider how you might reference data in storage.
3Question 3.
What is an example of immediate addressing?
- MOVE A
- #5
- LOAD A
- 5
- ADD R1
- R2
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Think about which option includes the data directly.
4Question 4.
True or False: Direct addressing requires multiple memory accesses.
- True
- False
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Consider how many steps are needed to get to the operand.
Question 5.
Suppose you need to retrieve data frequently used for calculations, which addressing mode would you choose and why?
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Think about speed and efficiency in repeating tasks.
Question 6.
Explain how displacement addressing supports looping in programs, providing an example of its use.
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Consider how loops utilize variable counters.

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