Computers range in size and capability. At one end of the scale
are supercomputers, very large computers with
thousands of linked microprocessors that perform extremely complex calculations.
At the other end are tiny computers embedded in cars, TVs, stereo systems,
calculators, and appliances. These computers are built to perform a limited
number of tasks.
The personal computer, or PC, is designed to be used by one person at a time. This
section describes the various kinds of personal computers: desktops, laptops,
handheld computers, and Tablet PCs.
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