GATE | GATE CS 1996 | Question 50

A micro program control unit is required to generate a total of 25 control signals. Assume that during any microinstruction , at most two control signals are active. Minimum number of bits required in the control word to generate the required control signals will be

(A)

2

(B)

2.5

(C)

10

(D)

12

Answer: (C)

Explanation:

The correct option is  C 10

5 bits

5 bits

5 bits to identify first and 5 bits to identify second including the case when one of them not present.

So total bits required = 10

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