Practice Introduction To Micro Instructions (26.1) - Execution of Macro Instructions

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6 sample questions

Question 1.
Define a micro instruction.
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Think about its role in executing instructions.
Question 2.
What does ALU stand for?
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Consider its function in processing data.
3Question 3.
What is a micro instruction?
- A high-level programming command
- A directive controlling CPU operations
- An external input device
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Think of its role in instruction execution.
4Question 4.
True or False: Implicit jumps are always stated in the macro instruction.
- True
- False
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Remember the definitions of explicit and implicit jumps.
Question 5.
Design a micro program that handles both an ADD and a SUB operation using a shared micro routine. Explain how control signals would differ.
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List out the steps and specify which control signals uniquely identify ADD vs. SUB.
Question 6.
In what scenarios can implicit jumps enhance processing efficiency, and what potential issues could arise from their use?
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Consider task efficiency vs. clarity in program flow.

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