Explore topic-wise MCQs in Digital Circuits.

This section includes 23 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.

In case of XOR/XNOR simplification we have to look for the following _______________

A. Diagonal Adjacencies
B. Offset Adjacencies
C. Straight Adjacencies
D. Both diagonal and offset adjencies
Answer» E.
2.

There are many situations in logic design in which simplification of logic expression is possible in terms of XOR and _________________ operations.

A. X-NOR
B. XOR
C. NOR
D. NAND
Answer» B. XOR
3.

It should be kept in mind that don’t care terms should be used along with the terms that are present in ___________

A. Minterms
B. Expressions
C. K-Map
D. Latches
Answer» B. Expressions
4.

Don’t care conditions can be used for simplifying Boolean expressions in ___________

A. Registers
B. Terms
C. K-maps
D. Latches
Answer» D. Latches
5.

Each group of adjacent Minterms (group size in powers of twos) corresponds to a possible product term of the given ___________

A. Function
B. Value
C. Set
D. Word
Answer» B. Value
6.

Product-of-Sums expressions can be implemented using ___________

A. 2-level OR-AND logic circuits
B. 2-level NOR logic circuits
C. 2-level XOR logic circuits
D. Both 2-level OR-AND and NOR logic circuits
Answer» E.
7.

The prime implicant which has at least one element that is not present in any other implicant is known as ___________

A. Essential Prime Implicant
B. Implicant
C. Complement
D. Prime Complement
Answer» B. Implicant
8.

Each product term of a group, w’.x.y’ and w.y, represents the ____________ in that group.

A. Input
B. POS
C. Sum-of-Minterms
D. Sum of Maxterms
Answer» D. Sum of Maxterms
9.

The K-map based Boolean reduction is based on the following Unifying Theorem: A + A’ = 1.

A. Impact
B. Non Impact
C. Force
D. Complementarity
Answer» C. Force
10.

A Karnaugh map (K-map) is an abstract form of ____________ diagram organized as a matrix of squares.

A. Venn Diagram
B. Cycle Diagram
C. Block diagram
D. Triangular Diagram
Answer» B. Cycle Diagram
11.

IT_SHOULD_BE_KEPT_IN_MIND_THAT_DON‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•T_CARE_TERMS_SHOULD_BE_USED_ALONG_WITH_THE_TERMS_THAT_ARE_PRESENT_IN?$#

A. Minterms
B. Maxterm
C. K-Map
D. Latches
Answer» B. Maxterm
12.

There are many situations in logic design in which simplification of logic expression is possible in terms of XOR and _________________ operations.$

A. X-NOR
B. XOR
C. NOR
D. NAND
Answer» B. XOR
13.

Using the transformation method you can realize any POS realization of OR-AND with only.$

A. XOR
B. NAND
C. AND
D. NOR
Answer» E.
14.

Entries known as _______________ mapping.

A. Diagonal
B. Straight
C. K
D. None of the Mentioned
Answer» B. Straight
15.

In case of XOR/XNOR simplification we have to look for the following____________________

A. Diagonal Adjacencies
B. Offset Adjacencies
C. Straight Adjacencies
D. Both diagonal and offset adjencies
Answer» E.
16.

These logic gates are widely used in _______________ design and therefore are available in IC form.

A. Circuit
B. Digital
C. Analog
D. Block
Answer» C. Analog
17.

Don’t care conditions can be used for simplifying Boolean expressions i?#

A. Examples
B. Terms
C. K-maps
D. Latches
Answer» D. Latches
18.

Each group of adjacent Minterms (group size in powers of twos) corresponds to a possible product term of the given

A. Function
B. Value
C. Set
D. None of the Mentioned
Answer» B. Value
19.

Product-of-Sums expressions can be implemented using

A. 2-level OR-AND logic circuits
B. 2-level NOR logic circuits
C. 2-level XOR logic circuits
D. Both 2-level OR-AND and NOR logic circuits
Answer» E.
20.

The prime implicant which has at least one element that is not present in any other implicant is known as

A. Essential Prime Implicant
B. Implicant
C. Complement
D. None of the Mentioned
Answer» B. Implicant
21.

Each product term of a group, w’.x.y’ and w.y, represents the ____________in that group.$

A. Input
B. POS
C. Sum-of-Minterms
D. None of the Mentioned
Answer» D. None of the Mentioned
22.

The K-map based Boolean reduction is based on the following Unifying Theorem: A + A’ = 1.$

A. Impact
B. Non Impact
C. Force
D. None of the Mentioned
Answer» C. Force
23.

There are ______ cells in a 4-variable K-map.

A. 12
B. 16
C. 18
D. None of the Mentioned
Answer» C. 18