engineering recuitment BEL Probationary Engineers Mock Test 2025 Digital Electronics Logic Gates and Boolean Algebra
The Boolean function X̅ Y̅ Z + X̅ Y Z̅ + X Y̅ Z̅ + X̅ Y̅ Z̅ can be equivalently represented as
1
(X̅ + Y + Z) (X + Y̅ + Z) (X + Y + Z̅) (X + Y + Z)
2
(X̅ + Y̅ + Z̅) (X̅ + Y + Z) (X + Y̅ + Z) (X + Y + Z̅)
3
(X̅ + Y̅ + Z) (X̅ + Y + Z̅) (X + Y̅ + Z̅) (X̅ + Y̅ + Z̅)
4
(X̅ + Y̅ + Z̅) (X + Y + Z)