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1 definition found
 for TRS-80
From The Free On-line Dictionary of Computing (18 March 2015) :

  TRS-80
  
      A series of personal computers sold by Tandy
     Radio Shack.  The '80' refers to the use of Zilog Z-80
     processor (NOT Intel 80x8x).
  
     There were 7.5 computers in the TRS-80 line: Models I, II,
     III, 4, 100, 102, 200.  The Model 4P was a portable version of
     the Model 4 with no tape drive -- only 2 1/2-height single
     sided disk drives.
  
     Later models that Radio Shack produced were not TRS-80
     machines -- they were based on the Intel 80x8x architecture.
     These included Tandy 1000, Tandy 2000, Tandy 3000, and others.
     The 1000 had a proprietary Color card.  The 2000 was a
     powerful machine for its time, but was based on the Intel
     80186, so when IBM didn't build a computer based on this
     chip, it failed.  It was used to design a boat for the
     America's Cup.
  
     The TRS-80 GUI, DeskMate, was proprietary, but no more than
     Windoze at the time.
  
     Many joke about "{TRaSh-80" machines but several models were
     in fact classics of their time.
  
     (1996-02-18)
  

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