a. C+DG+FD+G .

b. Q + R + S

complement, the output is 0. When any variable or Boolean

c. (MNP+Q) L+K

expression is ORed with its complement, the output is 1. This is

d. WXY +Z

called the law of COMPLEMENTS, as shown by the logic diagrams

and corresponding truth tables below.

Step by steps

solutions on

page A-2.

LAW OF COMPLEMENTS

Examples of the LAW OF COMPLEMENTS are: AA = 0; JRC + JRC

= 1, T+ T = 1; (DR + H)(DR + H) = 0; etc.

Write the outputs for the logic diagrams below.

a.

b.

a. 0

24. Whenever any variable or Boolean expression is ANDed with its

b. 1

complement, the output is ________.