Explore topic-wise MCQs in Digital Circuits.

This section includes 10 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 number of logic gates and the way of their interconnections can be classified as ____________

A. Logical network
B. System network
C. Circuit network
D. Gate network
Answer» B. System network
2.

Decimal digit in BCD can be represented by ____________

A. 1 input line
B. 2 input lines
C. 3 input lines
D. 4 input lines
Answer» E.
3.

Complement of F gives back __________

A. F
B. F
C. FF
D. FF
Answer» C. FF
4.

The simplified expression of full adder carry is ____________

A. c = xy+xz+yz
B. c = xy+xz
C. c = xy+yz
D. c = x+y+z
Answer» B. c = xy+xz
5.

3 bits full adder contains ____________

A. 3 combinational inputs
B. 4 combinational inputs
C. 6 combinational inputs
D. 8 combinational inputs
Answer» E.
6.

The addition of two decimal digits in BCD can be done through ____________

A. BCD adder
B. Full adder
C. Ripple carry adder
D. Carry look ahead
Answer» B. Full adder
7.

The output sum of two decimal digits can be represented in ____________

A. Gray Code
B. Excess-3
C. BCD
D. Hexadecimal
Answer» D. Hexadecimal
8.

BCD adder can be constructed with 3 IC packages each of ____________

A. 2 bits
B. 3 bits
C. 4 bits
D. 5 bits
Answer» D. 5 bits
9.

29 input circuit will have total of ____________

A. 32 entries
B. 128 entries
C. 256 entries
D. 512 entries
Answer» E.
10.

The decimal number system represents the decimal number in the form of ____________

A. Hexadecimal
B. Binary coded
C. Octal
D. Decimal
Answer» C. Octal