Worksheet: Digital Logic

1. Use two input OR gates to construct a four input OR gate.

2. Write an algebraic expression for the following truth table, simplify it, and construct the logic circuit for the result.

   A	B	F
   0	0	1
   0	1	1
   1	0	0
   1	1	1

3. Write an algebraic expression for the following truth table, simplify it, and construct the logic circuit for the result.

   A	B	C	F
   0	0	0	0
   0	0	1	0
   0	1	0	0
   0	1	1	1
   1	0	0	1
   1	0	1	0
   1	1	0	1
   1	1	1	0



4. Construct the logic circuit for the function AB + B · (C + A)


5. Give a Boolean expression for the following circuit. Can you simplify your expression?

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