Y2K problem

Y2K problem
A computer bug that, if not fixed, will cause computers and devices with embedded microchips to fail or produce erroneous results beginning on January 1, 2000. (Also known as the millennium bug.)
Example Citation:
"Already struggling to wean hundreds of its schools from 19th-century-style coal furnaces before the dawn of the 21st century, the New York City Board of Education has received another premillennial warning, this one from the State Comptroller: the board is not moving fast enough to inoculate school computers against the so-called Y2K problem."
— Jacques Steinberg, "State Wants School Board To Move Fast on Y2K Problem," The New York Times
It's estimated that to fix the Y2K problem will cost businesses about US$600 billion over the next few years. Why all the fuss over what appears to be a simple date change? Many older software programs — especially mainframe-based applications used in banking, insurance, and government — store dates using two-digit numbers for the day, month, and year (e.g., MMDDYY). That's fine for the day and month, but a two-digit year means that 1999 is stored as 99 and 2000 is stored as 00. So January 1, 2000 will appear to the computer as January 1, 1900, and suddenly you'll be *very* late with your mortgage or loan payments! Fixing this problem requires hiring large teams of programmers to comb every one of the sometimes millions of lines of code in these legacy systems to discover where dates are used, and then to rewrite the code and restructure the underlying databases to handle four-digit years.
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Look at other dictionaries:

  • Y2k-Problem —   [Abk. für Year 2000 Problem],Jahr 2000 Problem …   Universal-Lexikon

  • Y2K problem —    The inability of some older computer programs to process dates correctly after midnight on December 31, 1999.    Computer programmers in the 1960s and 70s abbreviated the date field to two digits, partly to save space and partly because they… …   Dictionary of networking

  • Y2K — noun [uncountable] COMPUTING the year 2000, used especially when people are talking about the Millennium bug (= the problem that some computers had when the date changed in the year 2000): • The Y2K problem had a damaging effect on earnings in… …   Financial and business terms

  • Y2K — abbrev. [Y(ear) + 2 + K, abbrev. for the number 1000] the year 2000 Y2K problem the predicted malfunction of some computer systems prior to or at the beginning of the year 2000 because of their inability to distinguish between dates in the 1900s… …   English World dictionary

  • Y2K leap year bug — n. A computer problem involving software that has been programmed incorrectly to treat the year 2000 as a non leap year. Example Citation: And to add another cruel twist, a number of applications now in use have botched the dating scheme for leap …   New words

  • Y2K — /wuy tooh kay /, n. 1. the year 2000. 2. Also called Y2K problem. See millennium bug. [1995 2000; Y(ear) + 2 + K symbol for the number 1000] * * * …   Universalium

  • Y2K — [[t]ˈwaɪˌtuˈkeɪ[/t]] n. 1) the year 2000 2) Also called Y2K problem. millennium bug • Etymology: 1995–2000; Y(ear) +2+K symbol for the number 1000 …   From formal English to slang

  • Y2K — /waɪ tu ˈkeɪ/ (say wuy tooh kay) noun 1. the year 2000. –phrase 2. Y2K problem → millennium bug. {y(ear) + 2 + K1 (def. 2) thousand} …  

  • Year 2000 problem — Y2K redirects here. For other uses, see Y2K (disambiguation). The (French) sign reads 3 January 1900 instead of 3 January 2000 The Year 2000 problem (also known as the Y2K problem, the Millennium bug, the Y2K bug, or simply Y2K) was a problem for …   Wikipedia

  • Y2K — Das Jahr 2000 Problem, auch als „Millennium Bug“ oder „Y2K Bug“ („Year 2 Kilo“ = Jahr 2000) bezeichnet, ist ein Computerproblem, welches durch die interne Behandlung von Jahreszahlen als zweistellige Angabe entstanden ist. Inhaltsverzeichnis 1… …   Deutsch Wikipedia

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