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Half-century milestone for IBM mainframes

Half-century milestone for IBM mainframes

IBM S360 mainframeMainframes were the workhorses of business for many years
The IBM mainframe is celebrating its 50th anniversary.  The first System 360 mainframe was unveiled on 7 April 1964 and its arrival marked a break with all general purpose computers that came before.

The machines made it possible to upgrade the processors but still keep using the same code and peripherals from earlier models. Later this year the British rival to IBM’s machine, the ICL 1900, also celebrates its 50th anniversary. Despite their age, mainframes are still in wide use now, said Barry Heptonstall, a spokesman for IBM.  “I don’t think people realise how often during the day they interact with a mainframe,” he said.  Continue reading

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