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To: Y2k_fan who wrote (19195)6/25/1998 2:28:00 PM
From: Y2k_fan  Read Replies (1) | Respond to of 31646
 
For people who want some simple Y2K problems.

This is a sorted output with date ordering.

The correct order :

01/09/99 1
05/11/99 2
08/01/99 3
10/12/99 4
12/14/99 5
01/09/00 6
05/11/00 7
08/01/00 8
10/12/00 9
12/14/00 10
...

A non-Y2k compliant computer will give

01/09/00 6
05/11/00 7
08/01/00 8
10/12/00 9
12/14/00 10
01/09/99 1
05/11/99 2
08/01/99 3
10/12/99 4
12/14/99 5
...

Some clocks do not have carry overflow functions, it means that the clock will halt and will not migrate after 12/31/99.

Even if the clock runs, the sorted output will be out of order.
It can be disastrous in many situations.

For example, in a tabular output for a spread sheet after you try to
sort a table with data as its key.
Similar problems exist in embedded chips, because some of them need to sample ordered data in timely order. An out-of-order data can generate totally meaningless result.