Year 2000 problem

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Related to Year 2000 bug: Y2K compliant, Y2k scare

Year 2000 problem,

 

Y2K problem,

or

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 ?
Y2K TEST&FIX is the most thorough test and fix available for the Year 2000 bug in PC hardware.
With all the hype surrounding the Year 2000 Bug, many consumers and small businesses are unsure how and when the Y2K bug will affect them.
Think we can all relax once the Year 2000 bug problem has been solved?
SEATTLE, July 26 /PRNewswire/ -- A new technical support program from WRQ offers intensive help to organizations trying to complete their work to find and fix the Year 2000 bug before it affects their business.
By then, as is now widely known, little time will remain before companies worldwide will know if they have succeeded in dodging a year 2000 bug that threatens to paralyse systems.
WebVentory is particularly suitable for small businesses, which face a greater threat from the Year 2000 bug.
4 /PRNewswire/ -- Pedagoguery Software has found that, by following Apple's programming documentation, software developers may unknowingly put the year 2000 bug into their Macintosh software.
And should such a failure occur, only a small proportion of these costs could be attributed to fixing the specific Year 2000 bug that causes the initial failure.
This is accomplished by shifting data back 28 years as it enters the system, allowing the encapsulated programs to avoid the Year 2000 bug altogether.
While most organizations are aware that their systems may fail due to the Year 2000 bug, many have not examined how their actual operations will be affected," says Noel Williams, Senior Vice President - Information Systems, Columbia/HCA Healthcare Corp.
It is always a goal at WRQ to anticipate impending issues for our customers and help them make a smooth transition to compliance, whether it is the euro currency conversion or the Year 2000 bug.
I am excited that the State of Geneva has selected the Alydaar solution to attack its Year 2000 bug," said Robert Gruder, Chief Executive Officer of Alydaar.