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21 millennium bug
Gen Mgtthe inability of some computer systems to recognize the year 2000 as a date. The millennium bug arose from the computer programming practice of using two digits to represent a year. It was thought that this could cause great problems when digital clocks turned from 1999 to 2000, because computers would read 00 and cease to function. The millennium bug was thought to affect any business system that used electronically generated date information. Speculation on what would happen sparked fears of global disaster. Much work was conducted in the late 1990s in order to correct the problem and systems that did not have the bug were referred to as Y2K-compliant, Y2K being shorthand for Year 2000. In the event, the anticipated disaster did not occur.
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