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[ The PC Guide | Introduction to the PC | How the PC Works ]

The Computer's Primary Jobs

All computers, from the first room-sized mainframes, to today's powerful desktop, laptop and even hand-held PCs, perform the same general operations on information. What changes over time is the information handled, how it is handled, how much is moved around, and how quickly and efficiently it can be done. The sections below describe the primary jobs that computers perform.

Next: Information Processing (Computation)

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