翻訳と辞書
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・ tickle a bug
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tight loop
・ tilde
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・ tim berners-lee
・ time bomb
・ time complex simulator
・ time complexity
・ time division multiple access
・ time division multiplexing
・ time domain reflectometer


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tight loop : FOLDOC
tight loop
A loop of code that executes without releasing any resources to other programs or the operating system.
Consider the following pointless BASIC loop that counts upward indefinitely
10 i = i + 1
20 GOTO 10

Run on a single-user system such as MS-DOS this will not cause any problems. Run on a cooperative multitasking operating system such as {Windows 3}, the system would appear to freeze.
A pre-emptive multitasking operating system such as UNIX or Windows NT would "steal" cycles away from the program and continue to run other programs.
See also busy-wait and multitasking.
(1999-05-06)



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