A computer is an electronic machine that is used for manipulating data according to a list of instructions provided by the user. A computer system can be explained in easy way by describing its four basic operations. These operations are:
• Input: Is supplied to the computer with the use of a keyboard, a mouse or another input device. These input devices may be called as peripheral devices.
• Processing: Is done inside the computer in an area called the Central Processing Unit (CPU). Processing is the process of converting input to the desired output.
• Storage: Is the area to store information in the system. Click on given link to know more....
• Output: Is the result of computer processing. Output may be viewed on a monitor screen, heard through speakers, printed on printers and so forth. Output devices may be considered as hardware and peripheral devices.