Questions tagged [icl]

Questions about the British computer company, International Computers Limited

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What was the rationale for the 'INPUT' button on an ICL 1900 console teletype?

ICL 1900 computers were always supplied with 'executive' software tailored to the specific installation. Exec provided simple program load and run facilities. There were no 'lights and switches' on ...
dave's user avatar
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8 votes
2 answers

Documentation for an old computer: ICL 4120

This is a follow on to my first question in this site: Help identifying a very old computer: 1974, maybe an NCR This established that the first computer that I used was an ICL 4120. Now that I know ...
badjohn's user avatar
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11 votes
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Why did IBM want to keep ICL alive?

According to International Computers Limited (ICL) was a British computer hardware, computer software and computer services company that ...
rwallace's user avatar
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