Question

Draw a logical diagram for the following Boolean expression

(A’.B’ + C.D)’​

Answer 1

Diagram:

Consider the attachment.

Explanation:

(A'.B' + C.D)'

= (A'B')'. (C.D)' (De Morgan's Theorem)

=(A+B).(C'+ D')

• ' represent NOT gate:  Returns not value when applied on the operand.

• + represents OR gate: OR gate returns True value when either of the input values or both input values if True.

• * represents AND gate: AND gate returns True value when both of the entered values are True.