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:

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

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

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

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)?

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

The minimum number of NAND gates required for implementing the Boolean expression $AB+A\overline{B}C+A\overline{B}\overline{C}$ is

Which of the following is equivalent to the Boolean expression $\left(X+Y\right)\left(X+\overline{Y}\right)\left(\overline{X}+Y\right)$?

Write the simplified form of the Boolean expression $\left(A+C\right)\left(AD+A\overline{D}\right)+AC+C$.

Which term is redundant in the expression AB + A'C + BC?

The total number of binary functions that can be defined using n Boolean variables is

Which one of the following expressions does NOT represent the exclusive NOR of x and y?

The Boolean expression for the following truth table is ______ x y z f 0 0 0 0 0 0 1 0 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 1 1 1 0 0 1 1 1 1

Consider the Boolean function in a CPU control unit: $Y=\left(A+B\cdot \overline{C}\right)\cdot \left(\overline{A}\cdot B+C\right)$ Which of the following is equivalent to Y?