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From Wikipedia, the free encyclopedia
The Year 2000 problem is also known as the Y2K problem, the Millennium bug, the Y2K bug, or Y2K. Problems arose because programmers represented the four-digit year with only the final two digits. This made the year 2000 indistinguishable from 1900. The assumption that a twentieth-century date was always intended caused various errors, such as the incorrect display of dates, and the inaccurate ordering of automated dated records or real-time events.
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To address the Y2K problem, the British Standards Institute (BSI) developed a standard in 1997 which regulated two problems: the storage and processing of two-digit years and a misunderstanding of the Gregorian calendar rule that determines whether years that are exactly divisible by 100 are not leap years.
Using various programmatic solutions, companies and organisations worldwide checked, fixed, and upgraded their computer systems.[1]
The number of computer failures that occurred when the clocks rolled over into 2000 in spite of remedial work is not known; among other reasons, this is due to the reluctance of organisations to report problems.[2]