Practice Addressing Modes (14.3) - Handling Different Addressing Modes

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6 sample questions

Question 1.
Define immediate addressing and provide an example.
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Think about how operands are represented in the instruction.
Question 2.
What is direct addressing?
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Consider how the CPU needs to look up data.
3Question 3.
What is immediate addressing?
- The operand is directly in the instruction
- The operand is in memory
- It involves multiple memory lookups
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Think about how an instruction would include numerical constants.
4Question 4.
True or False: Indirect addressing can reduce instruction length.
- True
- False
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Consider how addressing can save space in instructions.
Question 5.
Design an instruction that uses indirect addressing, showing the steps and control signals needed.
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Think about how you’ll need to do two memory accesses.
Question 6.
Explain why immediate addressing might be preferred in certain scenarios. Provide a coding example using an assembly language syntax.
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Consider speed and efficiency in design.

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