The Jargon File (version 4.4.7, 29 Dec 2003):

gonkulator
 /gon'kyoo?lay?tr/, n.

    [common; from the 1960s Hogan's Heroes TV series] A pretentious piece of
    equipment that actually serves no useful purpose. Usually used to describe
    one's least favorite piece of computer hardware. See gonk.


The Free On-line Dictionary of Computing (30 December 2018):

gonkulator

   /gon'kyoo-lay-tr/ (From "Hogan's Heroes", the TV series) A
   pretentious piece of equipment that actually serves no useful
   purpose.  Usually used to describe one's least favourite piece
   of computer hardware.

   See gonk.

   [Jargon File]

   (1995-03-07)