Practice Computer Organization And Architecture: A Pedagogical Aspect (20.1) - Lecture

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9 questions

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6 sample questions

Question 1.
What is a hardwired control unit?
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Think about how commands are implemented without changing hardware.
Question 2.
Define microinstruction.
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It's similar to an instruction, but much smaller.
3Question 3.
What is the main advantage of a hardwired control unit?
- Flexibility in operations
- Speed in processing
- Easy to modify
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Think about what makes a unit fast.
4Question 4.
True or False: A microprogrammed control unit can adapt to new instructions without hardware changes.
- True
- False
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Consider the purpose of flexibility in design.
Question 5.
Design a microprogram that computes the factorial of a number using microinstructions. Outline the sequence of microinstructions required.
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Use a loop of multiplication while keeping track of the current state.
Question 6.
Discuss how a branch instruction would affect the sequencing in a microprogrammed control unit. Provide an example.
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Think about decision-making in terms of directions.

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