Objective Questions on Karnaugh map

Objective Questions on Karnaugh map

Objective Questions on Karnaugh map, MCQs on Karnaugh map, Multiple Choice Questions on Karnaugh map, Karnaugh map MCQ, Karnaugh map objective Questions and Answers, MCQ on Digital Electronics, Engineering MCQ

Multiple Choice Questions

A Karnaugh map (K-map) is a theoretical form of representing ___________.

  • Circuit diagram
  • Block diagram
  • Logic diagram
  • Venn diagram

Answer: Venn diagram

Which of the following method is used to minimize Boolean expressions?

  • Fourier transform
  • Gray code
  • Karnaugh mapping
  • Venitch method

Answer: Karnaugh mapping

Four adjacent ‘1’s in a Karnaugh map forms a

  • octet
  • singlet
  • pair
  • quad

Answer: quad

If n denotes the number of variable then the number of cells are given as

  • 2n
  • 2 + n
  • 2 – n
  • 2n

Answer: 2n

A 4-variable Karnaugh map has

  • 12 cells
  • 16 cells
  • 18 cells
  • 20 cells

Answer: 16 cells

The Boolean expression Y = XY + ZX is in the ___________ form.

  • Product-of-Sum
  • Sum-of-Products
  • Linear
  • None of the above

Answer: Sum-of-Products

In the Karnaugh map, each cell represents ___________ minterm derived from the Boolean expression.

  • 1
  • 2
  • 3
  • 4

Answer: 1

Which of the following is NOT considered for forming groups in K-map?

  • Rolling
  • Diagonal
  • Vertical
  • Horizontal

Answer: Diagonal

The sum or product of two minterms results in

  • Maxterms
  • Boolean expression
  • Implicant
  • None of the above

Answer: Implicant

While forming groups in K-mapping the Don’t care states are combined along with terms of

  • Minterms
  • Maxterm
  • SOP
  • POS

Answer: Minterms

Product-of-Sums expressions can be implemented using

  • 2-level OR-AND logic circuits
  • 2-level NOR logic circuits
  • Both
  • None

Answer: Both

In a Karnaugh map, a group of eight 1’s adjacent to each other is called

  • Pairs
  • Triad
  • Quads
  • Octet

Answer: Octet

The Boolean expressions are represented in a unique way called

  • Canonical form
  • Minterm
  • Maxterm
  • Logic diagram

Answer: Canonical form

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

  • Logic diagram
  • Minterms
  • K-maps
  • Maxterms

Answer: K-maps

In a Karnaugh map the formation of Quad results in the elimination of _________ variables and their complements.

  • 2
  • 3
  • 4
  • 8

Answer: 2

A 2-level AND-OR logic circuit is used to express

  • Product of sum
  • Sum of product
  • Boolean expression
  • All of the above

Answer: Sum of product

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