## 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.

## 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

- 2
^{n} - 2 +
*n* - 2 –
*n* - 2
*n*

**Answer:** 2^{n}

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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