Shell script to find the area of a circle
Linux shell program to find the area of a circle.

Linux shell program to find the area of a circle.
How to write a Hello World program in Linux Shell Script ?
A demultiplexer(DEMUX) performs the reverse operation of a multiplexer. It takes input from one line and distributes it to a given number of output lines. It is also known as a data distributor. A demultiplexer with 2n output lines should have n data-selector lines. 1:4 Demultiplexer A 1:4 demultiplexer takes input from one line and …
Multiplexer(MUX) is a device that allows digital signals from several sources to be routed onto a single line of output. It has several input lines and a single output line. It has also data selector lines which specifies which input signal has to be switched to the output line. n data selector lines are required …
An encoder is a combinational circuit that performs reverse function of a decoder. It accepts 2n input and produces output in n output lines. This process of generating codes based on the values of input lines is called encoding. 4 to 2 Line Encoder A 4 to 2 line encoder consists of 4 input lines …