Input and Output (I/O) Function in ‘C’

Input and Output (I/O) Function in ‘C’

To perform the task of supplying the data to a programme we use input function and to receive the result from the computer we used output function.These Input and Output function allowed transfer the data between the CPU and the standard Input and Output devices.The standard Input device is Keyboard.The standard Output device is Monitor or Screen.The Input and Output function are also called as library Function of ‘C’

The Input and Output function are of two types

A) Formatted Input and Output( )

B) Unformatted Input and Output( )

There are two types of Formatted Input and Output function

1) scanf( )

2) print( )

There are nine types of Unformatted Input and Output function

1) getch( )

2) getche( )

3) getchar( )

4) gets( )

5) putch( )

6) putchar( )

7) puts( )

8) sqrt( )

9) pow( )

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