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Truth tables from logic diagrams questions and answers

Q1. Draw the truth table for this diagram:

Q1

A1.

A

B

NOT A

(NOT A) OR B

0

0

1

1

0

1

1

1

1

0

0

0

1

1

0

1


Q2. Draw the truth table for this diagram:

Q2

A2.

A

B

NOT B

A AND (NOT B)

A AND B

(A AND (NOT B))   OR   (A AND B)

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0

1

0

0

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1

0

0

0

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1

0

1

1

0

1

1

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0

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Q3. Draw the truth table for this diagram:

Q3
A3.

A

B

C

NOT A

(NOT A) OR B

((NOT A) OR B) AND  C

0

0

0

1

1

0

0

0

1

1

1

1

0

1

0

1

1

0

1

0

0

0

0

0

0

1

1

1

1

1

1

0

1

0

0

0

1

1

0

0

1

0

1

1

1

0

1

1

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