As Described in the Software Failure, the Cause of the 2004

Multiple Choice

As described in the Software Failure, the cause of the 2004 LA Air Traffic Control incident was

A) human error
B) the fact that the system had not been rebooted within 50 days
C) the fact that it takes just under 50 days for the countdown timer to count down four billion milliseconds and the subsystem shuts down when it reaches zero
D) there was no software patch to automatically reset the countdown timer without human intervention
E) all of the above