DuckCorp Dico

Found 2 definitions

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   JaM
      John and Martin.  An interpreted FORTH-like graphics
      language by John Warnock and Martin Newell, Xerox PARC,
      1978.  JaM was the forerunner of both Interpress and
      PostScript.  It is mentioned in PostScript Language
      reference Manual, Adobe Systems, A-W 1985.
   
                   
                 

2.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   jam
      A condition on a network where two nodes transmitting
      simultaneously detect the collision and continue to transmit
      for a certain time (4 to 6 bytes on Ethernet) to ensure that
      the collision has been detected by all nodes involved.
      (1994-12-12)