Year 2000

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Year 2000

(programming)
(Y2K, or "millennium bug") A common name for all the difficulties the turn of the century, or dates in general, bring to computer users.

Back in the 1970s and 1980s, the turn of the century looked so remote and memory/disk was so expensive that most programs stored only the last two digits of the year. These produce surprising results when dealing with dates after 1999. They may believe that 1 January 2000 is before 31 December 1999 (00<99), they may miscalculate the day of week, etc. Some programs used the year 99 as a special marker; there are rumours that some car insurance policies were cancelled because a year of 99 was used to mark deleted records.

Complete testing of date-dependent code is virtually impossible, especially where the system under test relies on other systems such as customers' or suppliers' computers. Despite this, the predicted "millennium meltdown" never occurred. Various fixes and work-arounds were successfully applied, e.g. time shifting.

And yes, the year 2000 was a leap year (multiples of 100 aren't leap years unless they're also multiples of 400).

PPR Corp Y2K FAQ.
References in periodicals archive ?
Had Gateway accurately reported the results of its operations during 2000, it would have received 2000 earnings growth of approximately 50% less than that claimed by defendants.
Tuning and Sizing Windows 2000 For Maximum Performance is the latest in the Microsoft Technologies Series by industry expert Curt Aubley, MCSE.
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We are committed to providing what no one else in the market can--real world, customized solutions for enterprise-wide deployment of Windows 2000.
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We feel AVX for Office 2000 is our first step in demonstrating how easily AVX virus protection can be integrated across multiple platforms and integrated into other applications," said Keith Peer, President and CEO of Central Command, Inc.
Excluding the effect of foreign exchange rate changes since Q3 1999, revenues for Q3 2000 would have been $0.
In the December 2000 issue, the editors write, "The year 2000 belonged to AMD -- it beat Intel to the 1GHz mark, then rubbed dirt in Intel's face by producing faster processors in such high volume, people could actually find and buy them.
By including FAZAM 2000 RFV in the Windows 2000 Server Resource Kit, we are able to provide useful additional management resources that help administrators further leverage the Active Directory Group Policy by IntelliMirror.
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As one of the first Microsoft Certified Solutions Providers to implement a knowledge management portal on Exchange 2000, Xpedior is positioned to bring customers new collaboration capabilities on Exchange 2000 in a shorter timeframe and with the proven expertise and success.