Sunday, October 7, 2012

The computer system.

What is a computer?
A computer is a device that accepts input, process data, stores data and produces output.

Input-process-output
           
           storage

Input is the process of entering data into the computer such as:
 

mouse



Output is the process of getting out data from the computer such as:
printer
What is Hardware?
Hardware are the physical units that make up a computer system that can be touched and seen

What is softwarfe?
Software is another word for programs that you can't touch.

We have two types of software. System software such as Windows 7 and application software such as Miucrosoft word 



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