1.   Both bugs affected so-called floating point calculations, which improve the accuracy of complex computations.

2.   The bug affects older computers which use only two digits to denote years.

3.   The bug affected only e-mail and did not prevent Dow Jones Newswires from distributing financial information to traders.

4.   The bug can affect programs and microchips for everything from traffic lights and telecommunications to tax records and payroll systems.

5.   The bug could affect programs and microchips for everything from traffic lights and telecommunications to tax records and payroll systems.

6.   The computer bug affects any system which stores the year as two digits rather than four.

7.   The grain yield also has been affected by bugs.

8.   The millennium bug affects software which writes the year in two digits instead of four.

9.   The source said the bug will affect all organisations, especially those that ignore the problem.