Year 2000 problem

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Year 2000 problem,


Y2K problem,


millennium bug,

in computer science, a design flaw in the hardware or software of a computer that caused erroneous results when working with dates beyond Dec. 31, 1999. In the 1960s and 70s programmers who designed computer systems dropped the first two digits of a year when storing or processing dates to save what then was expensive and limited memory; such a system recorded the year 2000 as 00 and could not distinguish it from 1900. In sorting, comparison, and arithmetic operations, the year 2000 would be treated as if it were equivalent to 0 rather than 100, causing incorrect results. The algorithm used to calculate leap years was also in some cases invalid, creating an additional problem in calculating the correct date after Feb. 28, 2000. Because the designers of such computer systems expected them to be replaced before the beginning of the year 2000, using a two-digit date was not regarded as a problem. Thousands of older computer systems, called legacy systems, were still in use in the 1990s, however, particularly in the finance and insurance industries, creating a potential operational and financial nightmare, which was termed Doomsday 2000Doomsday 2000,
term coined by Canadian computer consultant Peter de Jager in 1993 to describe the operational and financial impact of a defect of contemporary computer hardware and software, known as the Year 2000 problem, that caused computer programs to incorrectly perform
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. In the late 1990s business, government, and other computer users spent thousands of hours and millions of dollars to correct the Year 2000 problem, and only minor problems were experienced after Jan. 1, 2000.
References in periodicals archive ?
Rivers: Indus at Tarbela: Inflows 110400 cusecs and Outflows 140000 cusecs, Kabul at Nowshera: Inflows 19100 cusecs and Outflows 19100 cusecs, Jhelum at Mangla: Inflows 13300 cusecs and Outflows 30000 cusecs, Chenab at Marala: Inflows 38900 cusecs and Outflows 8000 cusecs.
Call 0345 55 22 11Babyliss 2000 watt, pounds 20, igloo 0800 069 19100
The Weather Channel will set up a Project SafeSide booth in the Business Expo area at the World Music Theatre, 19100 South Ridgeland Avenue in Tinley Park, IL.
Rivers: Indus at Tarbela: Inflows 56500 cusecs and Outflows 15000 cusecs, Kabul at Nowshera: Inflows 19100 cusecs and Outflows 19100 cusecs, Jhelum at Mangla: Inflows 34700 cusecs and Outflows 33000 cusecs, Chenab at Marala: Inflows 13600 cusecs and Outflows 12800 cusecs.
19100 Von Karman Avenue, Suite 200, Irvine, CA, 92715, 714/724-1600 (voice) and 714/724-1690 (fax).
to noon on Saturday at the Gibbon Conservation Center, 19100 Esquerra Road, Saugus.
CANYON COUNTRY - A Beverly's Crafts employee on her way to the bank to make a deposit was robbed at gunpoint Monday morning as she walked along the 19100 block of Soledad Canyon Road, officials said.
The new Soy Bean replaces Art's Chinese Cuisine in Tarzana at 19100 Ventura Blvd.