Computer Sciences

Broadly computer can be said to be made up of hardware and software. The computer hardware(actual machine) is defined in such a way that it does whatever the software(computer programs) tells it to do.
There are 4 basic operation which a computer performs irrespective of the program which is running on it. They are classified as:-











1-Input :-





This is for the purpose of inserting or feeding data into the computer by means of an input device like keyboard.
















2- Processing:-





Some kind of processing is done in the computer to take out or transform the data in some way.


















3- Output:-






The computer produces output on a device, such as printer or out or monitor, that show the result of processing operation .












4- Storage:-










The computer stores the result of processing operations for future use in some storage device like hard disk or floppy disk.