Practice Direct Addressing Mode (29.4.2) - Addressing Modes - Computer Organisation and Architecture

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6 sample questions

Question 1.
What is the main characteristic of immediate addressing mode?
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Think about how direct or close the access is.
Question 2.
In direct addressing, what does the instruction contain?
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Consider what the instruction tells you where to look.
3Question 3.
What is a key advantage of immediate addressing?
- Fast execution
- Large operand size
- Variable addressing
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Think about speed and how the operand is accessed.
4Question 4.
True or False: Indirect addressing requires only one memory access.
- True
- False
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Consider how many steps you need to take to access the data.
Question 5.
Design a simple assembly code using immediate and direct addressing modes, highlighting the differences in data management.
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Think about how you would write these instructions based on operand types.
Question 6.
Evaluate the efficiency of using stack addressing for recursive functions versus using displacement addressing.
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Consider recursive functions' need for variable management.

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