Practice Comparative Analysis Of Control Units (20.3.1) - Lecture

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6 sample questions

Question 1.
What is a control unit?
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Consider what signals are needed for processing tasks.
Question 2.
Define a hardwired control unit.
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Think about the implications of using fixed hardware for signals.
3Question 3.
What is a key advantage of hardwired control units?
- Flexibility
- Speed
- Complexity
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Think about how hardwired circuits operate.
4Question 4.
True or False: Micro-programmed control units execute instructions faster than hardwired control units.
- True
- False
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Compare the execution times of both types.
Question 5.
Analyze a scenario where a hardware modification is needed for a hardwired control unit to accommodate new instructions. Discuss the implications on processing speed and cost.
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Think about the redesign process and its impact on costs.
Question 6.
Design a micro-programmed control unit for a simple arithmetic operation and explain how jumps would be handled in the sequencing of instructions.
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Focus on how the control unit manages sequences based on condition checks.

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