Download Aptitude Crack
img not found img not found

Combinational Logic Analysis

Q1:

To implement the expression , it takes one OR gate and ________.

A three AND gates and three inverters

B three AND gates and four inverters

C three AND gates

D one AND gate

ANS:A - three AND gates and three inverters

The expression is AB'CD + ABC'D + ABCD'.

AND gate-I is for the expression AB'CD;inverter-1 is connected to i/p B.

AND gate-II is for the expression ABC'D;inverter-2 is connected to i/p C.

AND gate-III is for the expression ABCD';inverter-3 is connected to i/p D.

For adding all these 3 expressions ,V need one OR gate.

So totally the expression needs 3 AND gate, 3 inverters, 1 OR gate



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.