Author: M Abo Bakar Aslam
Exercise - Universal Gates
There are multiple Boolean Expressions in the exercise on base of Universal Gates. You have to draw circuit diagrams with and without universal gates.
Q.1. Y = AB′ + A′B
Using Basic Gates

Using Universal Gate (NAND) - Solution 1

Using Universal Gate (NAND) - Solution 2
This solution has less number of gates as compared to above solution.

Q.2. Y2 = A'BC'
Using Basic Gates

Using Universal Gate (NAND)

Q.3. Y3 = A' + B + C'
Using Basic Gates

Using Universal Gate (NAND) - Solution 1

Using Universal Gate (NAND) - Solution 2
This solution has less number of gates as compared to above solution.
