DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
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Found one definition 

  1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                

    
                
                  
    Transient Program Area
TPA
    

       <operating system> (TPA) The region of memory CP/M set aside
   for user programs.
    

       (2001-11-01)