some common misconceptions
...
It's impossible to write software that is
completely bug free.
This is a misconception? Or are you quibbling by not saying "of
nontrivial size" or some such?
If you really think it is a misconception and not based on such a
quibble, what is your basis for thinking so?
PC's wear out*.
(* at a MTBF value much worse than reality)
Actually, they do, provided you define "failure" so as to include
"failure to meet user expectation", that being the predominant failure
mode in end-user PCs these days.
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