From mainframes to microcomputers and back again

• Mainframes

• Minicomputers

• Supercomputers

• Microcomputers

• Servers

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All computers do the same thing: manipulate bytes of data assembled into larger groupings called “words,” not to be confused with words of the kind you are reading and hearing now.

Differences between mainframes, minicomputers, supercomputers, microcomputers and servers are attributable to differences in cost of operation, cost of staff support and speed of computation.