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Boolean Expressions, Truth Tables, and Logic Gates

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

In this logic circuit, what is Q if the inputs are: A=0, B=1, C=0?

a)

0

b)

We can't say

c)

1

2.

What is the boolean expression for this logic circuit?

a)

A OR B AND C = Q

b)

Q = (A AND B) OR C

c)

Q = A OR (B AND C)

d)

Q = (A OR B) AND C

3.

Which is the truth table for the AND gate?

a)
b)
c)
4.

Which logic gate take the input and negates it, turning 0 to 1 and 1 to 0?

a)

AND

b)

OR

c)

NOT

5.

This is the truth table for which logic gate?

a)

AND

b)

OR

c)

NOT

6.

Which logic gate is shown here?

a)

OR

b)

NOT

c)

AND

d)

NAND

7.

Which logic gate is shown here?

a)

AND

b)

OR

c)

XOR

d)

NOT

8.

What would the output (z) be if the inputs were the following?

A=1

B=0

a)

0

b)

1

9.

What is the boolean expression for this logic circuit?

a)

Q = NOT (A OR B)

b)

Q = NOT A AND B

c)

NOT A OR B = Q

d)

Q = (NOT A) OR B

10.

Which logic gate outputs 1 only when both inputs are 1?

a)

AND

b)

OR

c)

NOT

d)

XOR

11.

Which logic gate outputs 1 when at least one input is 1?

a)

AND

b)

OR

c)

NOT

d)

XOR