Practice Microinstructions And Microprograms (20.1.2) - Lecture - 21 - Computer Organisation and Architecture

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10 questions

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6 sample questions

Question 1.
What are microinstructions?
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Think about how they relate to broader instructions.
Question 2.
Define a microprogram.
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What does it manage within a computer?
3Question 3.
What are microinstructions?
- High-level instructions
- Low-level instructions
- Administrative commands
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Think about the layer of operations they compose.
4Question 4.
True or False: Microprogrammed control units execute faster than hardwired control units.
- True
- False
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Reflect on why fixed circuits might be faster.
Question 5.
Design a basic microprogram for a system that adds two numbers in registers R1 and R2 and stores the result in R3. Describe the sequence of microinstructions.
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Think about how the ALU operates and registers interact.
Question 6.
Explain how the microprogram counter would handle a jump instruction based on a flag indicating overflow in an add operation.
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Consider how branching changes the flow.

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