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    Information Research Services Updated: 20 August 1997
         
             
                 
              January:
Introduction of the 36-bit
DECSYSTEM-20, the lowest-priced general-purpose timesharing system on the market.
                 
              January:
TOPS-20, a new virtual memory operating system, is introduced for use with the DECSYSTEM-20.
                 
              DIGITAL enters the word-processing market with the WPS-8.