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Electronics and Communication Engineering (ECE) Exam  >  Electronics and Communication Engineering (ECE) Test  >  Digital Circuits  >  Test: K Maps - Electronics and Communication Engineering (ECE) MCQ

K Maps - Free MCQ Practice Test with solutions, GATE ECE Engineering (ECE)


MCQ Practice Test & Solutions: Test: K Maps (10 Questions)

You can prepare effectively for Electronics and Communication Engineering (ECE) Digital Circuits with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: K Maps". These 10 questions have been designed by the experts with the latest curriculum of Electronics and Communication Engineering (ECE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: K Maps - Question 1
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A Karnaugh map (K-map) is an abstract form of ____________ diagram organized as a matrix of squares.

Detailed Solution: Question 1

A Karnaugh map (K-map) is an abstract form of Venn diagram organized as a matrix of squares, where each square represents a Maxterm or a Minterm.

Test: K Maps - Question 2
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The K-map based Boolean reduction is based on the following Unifying Theorem: A + A’ = 1.

Detailed Solution: Question 2

The given expression A +A’ = 1 is based on non-impact unifying theorem.

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Test: K Maps - Question 3
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The prime implicant which has at least one element that is not present in any other implicant is known as________

Detailed Solution: Question 3

Essential prime implicants are prime implicants that cover an output of the function that no combination of other prime implicants is able to cover.

Test: K Maps - Question 4
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Each group of adjacent Minterms (group size in powers of twos) corresponds to a possible product term of the given ___________

Detailed Solution: Question 4

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

Test: K Maps - Question 5
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It should be kept in mind that don’t care terms should be used along with the terms that are present in ___________

Detailed Solution: Question 5

It should be kept in mind that don’t care terms should be used along with the terms that are present in minterms as well as maxterms which reduces the complexity of the boolean expression.

Test: K Maps - Question 6
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There are many situations in logic design in which simplification of logic expression is possible in terms of XOR and _________ operations.

Detailed Solution: Question 6

There are many situations in logic design in which simplification of logic expression is possible in terms of XOR and XNOR operations.
Expression of XOR : AB’ + A’B
Expression of XNOR : AB + A’B’

Test: K Maps - Question 7
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In case of XOR/XNOR simplification we have to look for the following _______________

Detailed Solution: Question 7

In case of XOR/XNOR simplification we have to look for the following diagonal and offset adjacencies. XOR gives output 1 when odd number of 1s are present in input while XNOR gives output 1 when even number of 1s or all 0s are present in input.

Test: K Maps - Question 8
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Each product term of a group, w’.x.y’ and w.y, represents the ____________ in that group.

Detailed Solution: Question 8

In a minterm, each variable w, x or y appears once either as the variable itself or as the inverse. So, the given expression satisfies the property of Sum of Minterm.

Test: K Maps - Question 9
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Product-of-Sums expressions can be implemented using ___________

Detailed Solution: Question 9

Product-of-Sums expressions can be implemented using 2-level OR-AND & NOR logic circuits.

Test: K Maps - Question 10
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Don’t care conditions can be used for simplifying Boolean expressions in ___________

Detailed Solution: Question 10

Don’t care conditions can be used for simplifying Boolean expressions in K-maps which helps in pairing with 1/0.

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About this Electronics and Communication Engineering (ECE) Practice Test

This test contains 10 MCQs on K Maps with detailed solutions for each question. It is part of the Digital Circuits course on EduRev, designed to align with the current Electronics and Communication Engineering (ECE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

Explore more Electronics and Communication Engineering (ECE) Study Resources

If you found this K Maps MCQ Test helpful, you can further enhance your Electronics and Communication Engineering (ECE) preparation with in-depth courses on EduRev, for all the subjects and topics available in Digital Circuits course. The course offers:
  • Video Lectures: covering all the topics of Digital Circuits
  • Notes for Revision: offering revision notes, important questions, summaries, flashcards, cheatsheets & more for Electronics and Communication Engineering (ECE) preparation
  • MCQ Test: variety of questions as per the pattern of Electronics and Communication Engineering (ECE) exam
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