Programming In C, 3rd Edition

Input and Output in C 85

4.1 IntroductIon

Reading input data, processing it and displaying the results are the three tasks of any program. The

data is read from the input device such as a keyboard. Operations on the data are performed on the

basis of the operators, and the result is displayed on the screen. All the three tasks are important and

none of them can be ignored.

There are two ways to accept the data. In one method, a data value is assigned to the variable with

an assignment statement. The programmer writes assignment statements in most of the programs. The

assignment statements are mentioned throughout the book. Examples of an assignment ...