Y2K
E943669
Y2K, or the "Year 2000 problem," was a widespread computer bug concern in the late 1990s involving date-formatting issues that many feared would cause major technological and infrastructure failures when the year rolled over to 2000.
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
computer bug
ⓘ
historical event ⓘ software problem ⓘ technological risk ⓘ |
| actualOutcome |
debate over whether risk was overstated
ⓘ
many minor glitches and localized issues ⓘ relatively few major failures on 2000-01-01 ⓘ |
| causedBy |
assumption that software would not be used after 1999
ⓘ
use of two-digit year fields to save memory ⓘ |
| concern |
data corruption due to incorrect dates
ⓘ
failures in air traffic control systems ⓘ failures in financial transactions ⓘ failures in medical equipment ⓘ failures in military systems ⓘ failures in power grids ⓘ failures in transportation systems ⓘ system crashes at the rollover to the year 2000 ⓘ |
| criticalDate |
1999-12-31
ⓘ
2000-01-01 ⓘ 2000-02-29 ⓘ |
| estimatedCost | hundreds of billions of US dollars worldwide ⓘ |
| followedBy | Y2K38 problem NERFINISHED ⓘ |
| hasAlternativeName |
Millennium bug
NERFINISHED
ⓘ
Y2K bug ⓘ Year 2000 problem ⓘ |
| impact |
development of formal IT governance practices
ⓘ
increased awareness of software risk management ⓘ large-scale global remediation spending ⓘ strengthening of disaster recovery planning ⓘ |
| mainIssue |
ambiguity between years 1900 and 2000
ⓘ
two-digit year representation in computer systems ⓘ |
| mitigatedBy |
code remediation projects
ⓘ
date windowing techniques ⓘ manual contingency plans ⓘ replacement of legacy systems ⓘ system testing and certification ⓘ |
| publicPerception | widely feared as potential global technological catastrophe ⓘ |
| relatedTo |
COBOL programs
ⓘ
airline reservation systems ⓘ date formatting ⓘ embedded systems ⓘ financial systems ⓘ government information systems ⓘ legacy software systems ⓘ mainframe computers ⓘ telecommunications networks ⓘ utilities infrastructure ⓘ |
| studiedIn |
history of technology
ⓘ
information systems management ⓘ risk management ⓘ software engineering ⓘ |
| timePeriod | late 1990s ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.