Costly Software Errors (cont)
Sydney Morning Herald, 05/01/2010:
![[Diagram:Pic/smh.png]](Pic/smh.png)
EFTPOS terminals inoperable for several days in early 2010
- customers' cards rejected as expired
Cause of failure:
- one module interpreted the current year as hexadecimal
-
0x09 = 09
-
0x10 = 16 (≠ 10)
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