> It has been plausibly suggested that "foobar" spread among early computer engi... | Hacker News

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		rast1234 22 days ago \| parent \| context \| favorite \| on: RFC 3092 – Etymology of “Foo” (2001) > It has been plausibly suggested that "foobar" spread among early computer engineers partly because of FUBAR and partly because "foo bar" parses in electronics techspeak as an inverted foo signal. Can anyone educate me what "inverted foo signal" means here, in connection to electronics?

chordbug 22 days ago [–]

I believe Ā is notation for "not A" and is read out loud as "A bar".

rast1234 22 days ago | [–]

thanks! this makes sense

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