Program input output.

Programs
A computer program also a software program, or just a program is a sequence of instructionss written to perform a specified task for a computer.http://en.wikipedia.org/wiki/Computer_program

http://en.wikipedia.org/wiki/Input


Input
The are many diffrent input s such as input field, input variable, input parameter, input value, input signal, input port, input device and input file it also is a piece of hardware equipment.
http://en.wikipedia.org/wiki/Input


Output
Output is the term denoting either an exit or changes which exit a systemm and which activate/modify a process. It is an abstract concept, used in the modelingg, system design and system exploitation

http://en.wikipedia.org/wiki/Output