31. (Continued)

Complete the following truth tables for the law of UNION.

a.

b.

a.

32.

b.

In the logic diagram above, when input A is at the 1 level, the output

is ______; when input A is at the 0 level, the output is _______.

1

33.

1

In the logic diagram above, when input A is at the 1 level, the output

is _______; when input A is at the 0 level, the output is _______.

1

34.

A+1=1

A + 0 =A

0

Using the law of UNION above, simplify the following Boolean

a. 0+C=?

b. 1 +ABE=?

c. QC+0=?

d. LM+NP+1 =?

as an aid in simplifying b, c, and d above. Use substitution

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