Mainframe - Simple English Wikipedia

# Mainframe

### From Wikipedia, a free encyclopedia written in simple English for easy reading.

Mainframes (often nicknamed big iron) are large and "costly" computers used mainly by government institutions and large companies for such things as data processing, industry/consumer statistics, and financial transaction processing.

The term was first used during the early 1970s with the introduction of smaller, easier-to-use systems such as DEC's PDP-8 and PDP-11 series. They were soon called minicomputers (minis for short). The name "mainframe" was later used for larger, earlier types (previously known simply as "computers").

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Categories: Computers | Technology

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