Digital Electronics Questions with Solutions

The simplified Boolean value of the expression $\left(x+y\prime +z\prime \right)\left(x+y\prime +z\right)\left(x+y+z\prime \right)$ is:

Simplify the Boolean expression $A\cdot \left(B+C\right)$.

Consider $F\left(P,Q,R,S\right)=\sum m\left(0,2,5,7,8,10,13,15\right)$, where the minterms 2, 7, 8 and 13 are don't-care terms. The minimal sum of products form for F is

A bulb in a staircase has two switches, one on the ground floor and the other on the first floor. The bulb can be turned ON and also turned OFF by either switch, irrespective of the state of the other switch. The logic of the switching of the bulb resembles

Consider the Boolean expression $F\left(P,Q,R,S\right)=PQ+\overline{P}QR+\overline{P}Q\overline{R}S$. The minimal sum of products form of F is

The number of minterms in an $n$ -variable truth table is

The reduced form of the Boolean function F = xyz + xyz' + x'yz + xy'z is

Which circuit is used to store one bit of data?

Which of the following can be called as universal gate?

Chip is a common nickname for a(n)

Integrated Circuit (IC) chips used in computers are made with

A device that converts from decimal to binary number is known as

Let $x$ and $y$ be Boolean variables, where $+$ denotes OR and $\cdot$ denotes AND. The simplified form of the Boolean expression $x\cdot \left(x+y\right)$ is

Which one of the following is not a valid rule of Boolean algebra?

The simplified form of $F\left(X,Y,Z\right)=\Sigma \left(0,2,4,5,6\right)$ is

Which gate is equivalent to (NOR) OR (XOR)?

A switching circuit that produces one of a set of input bits as its output, based on the value of control bits, is termed a:

The function $AB\prime C+A\prime BC+ABC\prime +A\prime B\prime C+AB\prime C\prime$ is equivalent to

Assume x' represents negation of x. The Boolean function x'y' + xy + x'y is equivalent to?

The equivalence of given expression x + x'y with Boolean theorem is….