সঠিক উত্তর হচ্ছে: Y2K
ব্যাখ্যা: The Y2K (Year 2000) problem existed because most dates in computers were programmed to automatically assume the date began with \"19\" as in \"1977\" and \"1988.\" But when the date was to turn from December 31, 1999 to January 1, 2000, it was prophesied that computers would be so confused that they would shut down completely.