Question

Draw the truth table for the equations given below: a. Y AB'+AB; b. Y=A'(B'+B)​

Answer 1

Explanation:

Y= AB'+AB

Y= A(B'+B)

where B+B' = 1

so Y = A

if ------------------- ----------------

A B Y A Y

------------------- ----------------

0 0 0 0 0

0 1 0 0 0

1 0 1 1 1

1 1 1 1 1

------------------- ----------------

b. Y=A'(B'+B)

similarly B+B' = 1

so Y = A'

----------------------- -----------------

A B Y A Y =A'

------------------------- ----------------

0 0 0 0 1

0 1 0 0 1

1 0 1 1 0

1 1 1 1 0

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