Digital Electronics Objective Questions – Set 6

In K-map simplification, a group of four adjacent 1s leads to a term with

Logic circuits are

The voltage levels for negative logic system

A 16-square eliminates

An 8-square eliminates

Each term in the standard POS form is called a

An 8-square is called

The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

OR-AND realization of a combinational circuit is equivalent to

The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system

An n variable K-map can have

AND-OR realization of a combinational circuit is equivalent to

The code used for labeling the cells of a K-map is

For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

The NAND-NAND realization is equivalent to

The binary number designations of the rows and columns of the K-map are in

The voltage levels for positive logic system

The number of cells in a 6 variable K-map is

An n variable K-map can have

The terms which cannot be combined further in the tabular method are called

The devices commonly used for making digital circuits are

The main criterion in the design of a digital circuit is reduction of

Each term in the standard SOP form is called a

Minimization of logical expressions while designing digital systems helps in reducing

The Quine– McClusky method of minimization of a logic expression is a (i) graphical method (ii) algebraic method (iii) tabular method (iv) a computer-oriented algorithm The correct answers are

The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

The NOR-NOR realization is equivalent to

Switching circuits are

In simplification of a Boolean function of n variables, a group of 2^m adjacent 1s leads to a term with

The implicants which will definitely occur in the final expression are called