Personal Computers (PCs)

Most people are familiar with general. These computers can run a wide variety of programs, whic make them to different things, for example, word processing or creating electricity bills.
the PC ( personal computer ) is a general purpose computer. It comes in various forms, e.g. a desktop PC, a laptop, a PDA or even a movile phone.

You can have more information on :  http://en.wikipedia.org/wiki/Personal_computer

what is a computer ?

a computer is an electronic machine that processes data. It follows instructions given to it in the form of a program.
Computers are everywhere these days and there are many different types.