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1.3.1.e Logic Gates and Boolean Algebra

Total questions: 30

Worksheet time: 20mins

Name
Class
Date
1.

A logical statement that always assumes true in every possible interpretation.

a)

Tautology

b)

Truth table

c)

Fallacy

d)

None of the above

2.

A proposition which is false for any truth value of their components is called a .... .

a)

Tautology

b)

Truth table

c)

Fallacy

d)

None of the above

3.

In Identity Law A . 0 = 0

(A' = NOT A)

Accordingly, which of the statement is another example to Identity law?

a)

A + A = A

b)

A + B = B + A

c)

A + 1 = 1

d)

A . B = B . A

4.

In Idempotency Law A + A = A

(A' = NOT A)

Accordingly, which of the statement is another example to Idempotency law?

a)

A . A = A

b)

A + B = B + A

c)

A + 0 = A

d)

A . B = B . A

5.

In Complement Law A + A' = 1

(A' = NOT A)

Accordingly, which of the statement is another example to Complement law?

a)

A . A' = 0

b)

A + A' = A

c)

A + 0 = A

d)

A . B = B . A

6.

In Commutative Law A + B = B + A

(A' = NOT A, B' = NOT B)

Accordingly, which of the statement is another example to Commutative law?

a)

A . A' = 0

b)

A + A' = A

c)

A + 0 = A

d)

A . B = B . A

7.

In DeMorgan’s Law (A+B)' = A' . B'

(A' = NOT A , B' = NOT B)

Accordingly, which of the statement is another example to DeMorgan’s law?

a)

A . A' = 0

b)

A + A' = A

c)

(AB)' = A' + B'

d)

A . B = B . A

8.

The operator that performs logical addition is ... .

a)

NOT

b)

AND

c)

OR

d)

NAND

e)

NOR

9.

The operator that performs logical multiplication is ... .

a)

NOT

b)

AND

c)

OR

d)

NAND

e)

NOR

10.

What logic gate is this?

a)

NOT

b)

AND

c)

NAND

d)

OR

e)

NOR

11.

What logic gate is this?

a)

NOT

b)

AND

c)

NAND

d)

OR

e)

NOR

12.

What logic gate is this?

a)

NOT

b)

AND

c)

NAND

d)

OR

e)

NOR

13.

What logic gate is this?

a)

NOT

b)

AND

c)

NAND

d)

OR

e)

NOR

14.

What logic gate is this?

a)

XOR

b)

XNOR

c)

NAND

d)

OR

e)

NOR

15.

What logic gate is this?

a)

XOR

b)

XNOR

c)

NAND

d)

OR

e)

NOR

16.

What logic gate is this?

a)

XOR

b)

XNOR

c)

NAND

d)

OR

e)

NOR

17.

The truth table of a logic expression ...

a)

tabulates all its input possibilities

b)

displays the outputs

c)

is not based on boolean algebra

d)

displays all its input and output possibilities

18.

The gate which produces output 1 for those input combinations that have odd number of 1s is ... .

a)

XOR

b)

XNOR

c)

NAND

d)

OR

e)

NOR

19.

The ... gate produces high output only when all the inputs are high.

a)

NOT

b)

AND

c)

NAND

d)

OR

e)

NOR

20.

The ... gate produces low output only when all the inputs are high.

a)

NOT

b)

AND

c)

NAND

d)

OR

e)

NOR

21.

What logic gate produces the following truth table?

a)

OR

b)

NOR

c)

XOR

d)

XNOR

22.

What logic gate produces the following truth table?

a)

NOT

b)

NAND

c)

NOR

d)

XNOR

23.

What logic gate produces the following truth table?

a)

AND

b)

OR

c)

XOR

d)

XNOR

24.

What logic gate produces the following truth table?

a)

AND

b)

OR

c)

XOR

d)

XNOR

25.

If Venn diagram is used to show the output of a logic gate, what logic gate this diagram would be?

a)

AND

b)

OR

c)

XOR

d)

XNOR

26.

If Venn diagram is used to show the output of a logic gate, what logic gate this diagram would be?

a)

AND

b)

OR

c)

XOR

d)

NOT

27.

If Venn diagram is used to show the output of a logic gate, what logic gate this diagram would be?

a)

AND

b)

OR

c)

NAND

d)

NOT

28.

If Venn diagram is used to show the output of a logic gate, what logic gate this diagram would be?

a)

AND

b)

OR

c)

NAND

d)

NOT

29.

If Venn diagram is used to show the output of a logic gate, what logic gate this diagram would be?

a)

AND

b)

OR

c)

NAND

d)

NOR

30.

If Venn diagram is used to show the output of a logic gate, what logic gate this diagram would be?

a)

OR

b)

XOR

c)

NAND

d)

NOR