Explore topic-wise MCQs in Digital Circuits.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

The boolean function A + BC is a reduced form of ____________

A. AB + BC
B. (A + B)(A + C)
C. A B + AB C
D. (A + C)B
Answer» C. A B + AB C
2.

Simplify Y = AB + (A + B)C.

A. AB + C
B. AB + AC
C. A B + AC
D. AB + A
Answer» B. AB + AC
3.

Complement of the expression A B + CD is _________

A. (A + B)(C + D)
B. (A + B )(C + D)
C. (A + B)(C + D)
D. (A + B )(C + D )
Answer» C. (A + B)(C + D)
4.

(A + B)(A * B ) = ?

A. 1
B. 0
C. AB
D. AB
Answer» C. AB
5.

DeMorgan s theorem states that _________

A. (AB) = A + B
B. (A + B) = A * B
C. A + B = A B
D. (AB) = A + B
Answer» B. (A + B) = A * B
6.

The involution of A is equal to _________

A. A
B. A
C. 1
D. 0
Answer» B. A
7.

The expression for Absorption law is given by _________

A. A + AB = A
B. A + AB = B
C. AB + AA = A
D. A + B = B + A
Answer» B. A + AB = B