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Definition for: mainframe
A "mainframe" originally meant the cabinet containing the [[CPU|central processor unit]] of a very large [[computer]].
After minicomputers became available, the word mainframe came to refer to the large computer itself.
The older computers used many large vacuum tubes and generated a lot of heat, thus requiring specially air-conditioned rooms.
A single computer might have hundreds of users at a time.▼
▲A single [[computer]] might have hundreds of users at a time.
Today, because the large vacuum tubes have given way to transistors, a desktop personal computer can have as much
Mainframes in use now often have smaller [[computers]] as front end processors.▼
[[Category:Computer]]
▲Today, because the large vacuum tubes have given way to transistors, a desktop personal computer can have as much power
[[Category:Definition]]
▲Mainframes in use now often have smaller computers as front end processors.
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Revision as of 19:59, 11 February 2005
Definition for: mainframe
A "mainframe" originally meant the cabinet containing the central processor unit of a very large computer.
After minicomputers became available, the word mainframe came to refer to the large computer itself.
The older computers used many large vacuum tubes and generated a lot of heat, thus requiring specially air-conditioned rooms.
A single computer might have hundreds of users at a time.
Today, because the large vacuum tubes have given way to transistors, a desktop personal computer can have as much poweras a mainframe computer that once filled a whole room.
Mainframes in use now often have smaller computers as front end processors.