Introduction to Computers/Basic operations

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Input
Input is whatever goes into the computer. Input can take a variety of forms, from commands you enter from the keyboard to data from another computer or device. A device that feeds data into a computer, such as a keyboard or mouse, is called an input device.


 * http://winplanet.webopedia.com/TERM/I/input.html

Output
Output is anything that comes out of a computer. Output can be display screens, loudspeakers, and printers.

Processing
The processor is the brain of a computer. It's also called the "CPU" (Central Processing Unit) and it is a microchip.

Processing refers to the actions the CPU takes in response to input to produce the appropriate output.

Storage
A computer's storage is the location where the computer preserves data for later use. It is also known as the computer's memory. Examples include RAM, hard disks, or removable memory sticks.


 * see also storage heading under processor


 * http://en.wikipedia.org/wiki/Memory_%28computing%29

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