Suppose that the same clock signal is used to increment the microprogram counter and to load the control

Suppose that the same clock signal is used to increment the microprogram counter and to load the control register. Which of the following assertion(s) is/are true? 

1. Microinstruction execution time is at least two clock periods. 

2. Microinstruction execution time can be overlapped with fetching the next microinstruction. 

3. Unconditional branch microinstructions must necessarily take longer than other types. 

(a) 1 only (b) 2 only (c) 1 and 3 (d) 2 and 3
by

1 Answer

Answer :

Suppose that the same clock signal is used to increment the microprogram counter and to load the control register. Which of the following assertion(s) is/are true? 

1. Microinstruction execution time is at least two clock periods. 

2. Microinstruction execution time can be overlapped with fetching the next microinstruction. 

3. Unconditional branch microinstructions must necessarily take longer than other types. 

(a) 1 only (b) 2 only (c) 1 and 3 (d) 2 and 3

by

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