A) a faulty on-board computer caused the other computers in the network to crash repeatedly.
B) a bad sensor fed faulty information into the flight control computer, causing it to fail.
C) the rocket's on-board computer sent back faulty information to ground control, causing the human controllers to destroy the rocket.
D) code that worked correctly on the Ariane 4 failed on the Ariane 5.
E) a software failure caused the rocket to self-destruct when in actuality the rocket's flight was going perfectly.
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A) there is no evidence that there have been any problems with punched card systems.
B) they are made in China, which does not even hold elections.
C) a power failure could make it impossible for people to vote.
D) they do not have a paper audit trail.
E) All of the above
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A) was designed to shoot down airplanes.
B) failed to shoot down a Scud missile that killed 28 U.S. soldiers in the Gulf War.
C) failed because it had been left running too long.
D) failed because of a computer error.
E) All of the above
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