PC-ism /P-C-izm/ N. A Piece Of Code Or Coding Technique That Takes Advantage Of The Unprotected Single-tasking Environment In IBM PCs And The Like Running DOS, E.

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PC-ism /P-C-izm/ n.

A piece of code or coding
technique that takes advantage of the unprotected single-tasking
environment in IBM PCs and the like running DOS, e.g., by
busy-waiting on a hardware register, direct diddling of screen
memory, or using hard timing loops. Compare ill-behaved,
vaxism, unixism. Also, `PC-ware' n., a program full of
PC-isms on a machine with a more capable operating system.
Pejorative.

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