English Computing Dictionary
▪ private automatic branch exchange
▪ private branch exchange
▪ private manual branch exchange
▪ privileged instruction
▪ prl
◊ PRIVATE MANUAL BRANCH EXCHANGE
Private Manual Branch eXchange
(PMBX) The original manual equivalent of a
{PABX}; a PMBX involves company employed operators manually
switching each call using a manual switchboard.
(1998-08-07)
private automatic branch exchange
private branch exchange
private manual branch exchange
privileged instruction
prl
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