Practice Addressing Modes Examples (29.4) - Addressing Modes - Computer Organisation and Architecture

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6 sample questions

Question 1.
What does immediate addressing mean?
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Think about what part of the instruction contains the operand.
Question 2.
Define direct addressing.
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Consider how we access data in memory.
3Question 3.
In immediate addressing, where is the operand located?
- In memory
- In the instruction
- In a register
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Consider how immediate addressing defines the operand location.
4Question 4.
True or False: Direct addressing requires a memory access to retrieve the operand.
- True
- False
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Think about how instructions reference memory.
Question 5.
Explain how immediate addressing can be beneficial for embedded systems and provide an example.
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Consider how embedded systems prioritize efficiency and compactness.
Question 6.
Discuss potential performance impacts when using indirect addressing in a system with a small cache size.
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Think about how accessing the same data often requires navigating a layered retrieval process.

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