Free Printable CHAPTER 2 BOOLEAN ALGEBRA

1.

What logic gate is this?

a)

NOT

b)

EX-OR

c)

NOR

d)

NAND

2.

What gate is this truth table for?

a)

AND

b)

NOT

c)

OR

d)

EX-OR

3.

What logic gate has only one input?

a)

OR

b)

NAND

c)

NOR

d)

NOT

4.

What logic gate represent this logic expression?

$Y=A.B$

a)

NAND

b)

AND

c)

NOR

d)

OR

5.

What will the circuit's output be?

a)

1

b)

0

6.

How many different combinations of 1 and 0 are possible with 3 bits?

a)

4

b)

5

c)

6

d)

7

e)

8

7.

According to Boolean Law: A + 1 = ?

a)

1

b)

A

c)

0

d)

a'

8.

An AND gate has 7 inputs. How many input words are in its truth table?

a)

16

b)

32

c)

64

d)

128

9.

xy+x = ?

a)

x

b)

y

c)

0

d)

1

10.

X + X = ?

a)

0

b)

1

c)

X

d)

__
X

11.

What is the Logic Expression for this circuit?

a)

Z = NOT (A AND B)

b)

Z = NOT (A OR B)

c)

Z = (NOT A) AND B

d)

Z = (NOT A) OR B

12.

What is the output of an OR gate when both inputs are 0?

a)

Undefined

b)

Both

c)

0

d)

1

13.

How many outputs does a 3-inputs AND gate have?

a)

8

b)

3

c)

2

d)

1

14.

Which logic gate is represented by the expression A + B?

a)

OR

b)

NAND

c)

NOT

d)

AND

15.

A . ( B + C )
is the same as

a)

___________
A + B + C

b)

( A + B ) ( A + C)

c)

A . B . C

d)

( A . B ) + ( A . C )

16.

State the output for the following K Map.

a)

$\overline{A}\ \overline{B}+A\overline{B}+\overline{C}$

b)

$\overline{A}\ \overline{B}+B\overline{C}+A\overline{B}$

c)

$\overline{A}\ \overline{B}+\overline{C}$

d)

$\overline{B}+\overline{C}$

17.

State the output for the following K Map.

a)

$BC+\overline{B}\ \overline{C}$

b)

$\overline{A}\ \overline{B}\ \overline{C}+BC+A\overline{B}\ \overline{C}$

c)

$\overline{B}\ \overline{C}+\overline{A}C$

d)

$B\overline{C}+BC$

18.

Across - A - 0,1

Down - B - 0,1

Which expression represents the Karnaugh Map? (0s removed for simplicity)

a)

A'B'

b)

AB'

c)

A'B

d)

AB

19.

Across - AB - 00,01,10,11

Down - C - 0,1

Which expression represents the Karnaugh Map? (0s removed for simplicity)

a)

A'B'C+ABC

b)

AB'C'+ABC

c)

A'BC'+A'BC

d)

ABC+A'B'C'

20.

Across - A - 0,1

Down - B - 0,1

Which expression represents the Karnaugh Map? (0s removed for simplicity)

a)

AB'+AB

b)

A

c)

B

d)

1

CHAPTER 2 BOOLEAN ALGEBRA

Total questions: 20

Worksheet time: 25mins

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