Boolean Algebra and Logic Gates

Question 1

What is the result of applying the Commutative law to the Boolean expression A + B?

Answer 1

B + A

Question 2

Which of the following is/are the universal logic gates?

a.
OR and NOR

b.
AND

c.
NAND and NOR

d.
NOT

Answer 2

c. NAND and NOR

Question 3

What are the fundamental arithmetic operations in Boolean algebra?

Answer 3

Addition and multiplication

Question 4

A __________ gate gives the output as 1 only if all the inputs signals are 1.

Answer 4

AND

Question 5

Which Boolean algebra law is represented by the expression A + (B * C) = (A + B) * (A + C)?

Answer 5

Distributive law

Question 6

Expression A’BC + AC is equal to:

Answer 6

(A+B)C

Question 7

Which theorem is utilized when a term is spread or distributed over the sum of two other terms?

Answer 7

Distributive law

Question 8

Which gate produces a true output only when both inputs are identical; otherwise, it returns false?

Answer 8

Ex-NOR
or XNOR

Question 9

AB + A(CD+CD’) = ___________.

Answer 9

A(B+C)

Question 10

Expression XYZ + XYZ’ + X’YZ is equal to:

Answer 10

XY + X’YZ