The Jargon File

A Chronology...The Jargon FileComputer Dictionary
BLT
(blit, very rarely belt) [based on the PDP-10 block transfer instruction; confusing to users of the PDP-11] 1. v. To transfer a large contiguous package of information from one place to another.
2. THE BIG BLT: n. Shuffling operation on the PDP-10 under some operating systems that consumes a significant amount of computer time.
3.(usually pronounced B-L-T) n. Sandwich containing bacon, lettuce, and tomato.
BOGOSITY
n. The degree to which something is BOGUS (q.v.). At CMU, bogosity is measured with a bogometer; typical use: in a seminar, when a speaker says something bogus, a listener might raise his hand and say, "My bogometer just triggered." The agreed-upon unit of bogosity is the microLenat (uL).
BOGUS
(WPI, Yale, Stanford) adj. 1. Non-functional. "Your patches are bogus."
2. Useless. "OPCON is a bogus program."
3. False. "Your arguments are bogus."
4. Incorrect. "That algorithm is bogus."
5. Silly. "Stop writing those bogus sagas." (This word seems to have some, but not all, of the connotations of RANDOM.) [Etymological note from Lehman/Reid at CMU: "Bogus" was originally used (in this sense) at Princeton, in the late 60's. It was used not particularly in the CS department, but all over campus. It came to Yale, where one of us (Lehman) was an undergraduate, and (we assume) elsewhere through the efforts of Princeton alumni who brought the word with them from their alma mater. In the Yale case, the alumnus is Michael Shamos, who was a graduate student at Yale and is now a faculty member here. A glossary of bogus words was compiled at Yale when the word was first popularized (e.g., autobogophobia: the fear of becoming bogotified).]
BOUNCE
(Stanford) v. To play volleyball. "Bounce, bounce! Stop wasting time on the computer and get out to the court!"
BRAIN-DAMAGED
[generalization of "Honeywell Brain Damage" (HBD), a theoretical disease invented to explain certain utter cretinisms in Multics] adj. Obviously wrong; cretinous; demented. There is an implication that the person responsible must have suffered brain damage, because he should have known better. Calling something brain-damaged is really bad; it also implies it is unusable.
BREAK
v. 1. To cause to be broken (in any sense). "Your latest patch to the system broke the TELNET server."
2.(of a program) To stop temporarily, so that it may be examined for debugging purposes. The place where it stops is a BREAKPOINT.
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