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 for Digital Equipment Corporation
From The Free On-line Dictionary of Computing (30 December 2018) :

  Digital Equipment Corporation
      (DEC) A computer manufacturer and software
     Before the killer micro revolution of the late 1980s,
     hackerdom was closely symbiotic with DEC's pioneering
     time-sharing machines.  The first of the group of hacker
     cultures nucleated around the PDP-1 (see TMRC).
     Subsequently, the PDP-6, PDP-10, PDP-20, PDP-11 and
     VAX were all foci of large and important hackerdoms and DEC
     machines long dominated the ARPANET and Internet machine
     The first PC from DEC was a CP/M computer called Rainbow,
     announced in 1981-82.
     DEC was the technological leader of the minicomputer era
     (roughly 1967 to 1987), but its failure to embrace
     microcomputers and Unix early cost it heavily in profits
     and prestige after silicon got cheap.  However, the
     microprocessor design tradition owes a heavy debt to the
     PDP-11 instruction set, and every one of the major
     general-purpose microcomputer operating systems so far
     (CP/M, MS-DOS, Unix, OS/2) were either genetically
     descended from a DEC OS, or incubated on DEC hardware or
     both.  Accordingly, DEC is still regarded with a certain wry
     affection even among many hackers too young to have grown up
     on DEC machines.  The contrast with IBM is instructive.
     Quarterly sales $3923M, profits -$1746M (Aug 1994).
     DEC was taken over by Compaq Computer Corporation in 1998.
     In 2002 Compaq was in turn acquired by Hewlett-Packard who
     sold off parts of Digital Equipment Corporation to Intel and
     absorbed the rest.  The Digital logo is no longer used.

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