Digital Electronics Questions with Solutions

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

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

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

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?

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:

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….

The Boolean expression $AB+A\overline{B}+\overline{A}C+AC$ is unaffected by the value of the Boolean variable

If a signal passing through a gate is inhibited by sending a low into one of the inputs, and the output is HIGH, the gate is a(n):

The Boolean expression X(X + Y) is same as

Which one of the following Boolean algebraic rules is correct?

Which of the following is a functionally complete set of gates?

If a signal passing through a gate is initiated by sending a low into one of the inputs and the output is high, the gate is

If we can generate a maximum of 4 Boolean functions using n Boolean variables, what will be the minimum value of n?

How many distinct Boolean functions can be formed with 3 Boolean variables?