Honours and awards
   
    Membership
    
      - German Academy of Arts of West Berlin since 1971
 
      - Austrian Academy of Sciences (corresponding member since 1979, full member since 1984)
 
      - Vienna Catholic Academy since 1984
 
      - Spanish Royal Academy of Sciences (corresponding member since 1985)
 
      - Bavarian Academy of Sciences (corresponding member since 1992)
 
      - European Academy of Sciences and Arts since 1993
 
      - Russian Academy of Sciences (foreign member since 1994)
 
    
    Honorary doctorates, fellowships, honorary memberships
    
      - IEEE Fellow since 1970
 
      - British Computer Society Fellow since 1970
 
      - Honorary Life Member of the Computer Society of South Africa since 1972
 
      - Honorary Life Member of the Operations Research Society of Argentina since 1972
 
      - Honorary Member of the Information Processing Society of Japan since 1975
 
      - Honorary member of the Austrian Society for Cybernetic Studies since 1975
 
      - IBM Fellow 1976
 
      - Honorary president of the Austrian Computer Society OCG since 1976
 
      - Honorary member of the International Federation for Information Processing (IFIP) since 1977
 
      - Honorary doctorate at the Johannes Kepler University Linz, 1982
 
      - Tenured professor at the TU Vienna, 1984
 
      - Dr.-Ing. hon. of the Friedrich-Alexander-Universität Erlangen-Nürnberg, 1986
 
      - Honorary member of the Wiener Gesellschaft für die Geschichte der Technik, 1990
 
      - Honorary professor at the Danube University Krems, 1997
 
      - Honorary member of the Österreichische Gesellschaft für Informatikgeschichte, 1999
 
    
    
        
    Prizes and awards
    
      - September 1960
        
      Prize of the  Nachrichtentechnische Gesellschaft for the book Informationstheorie 
      - September 1969
        
      Golden Stefan Medal of honour des Austrian Electrotechnical Association (OVE) 
      - December 1972
        
      Wilhelm Exner Medal of the Österr. Gewerbevereins (Austrian Association for Small and Medium-sized Enterprises) 
      - September 1974
      Decoration of Honour for Services to the Republic of Austria 
      - August 1977
      IFIP Silvercore 
      - June 1978
      Prechtl Medal of the TU Vienna 
      - March 1980
        
      Marin Drinov Medal of the Bulgarian Academy of Sciences 
      - March 1980
      Silver badge of honour of the VDE Association for Electrical, Electronic & Information Technologies 
      - September 1980
      IBM Programming Book Series Award 
      - March 1984
        
      Prize of the ADV (Arbeitsgemeinschaft für Datenverarbeitung) 
      - August 1984
      Leonardo da Vinci Medal of the European Society for the Education of Engineers 
      - June 1986
      Gold Decoration for Services to the City of Vienna
 
      - June 1986
        
      IEEE Computer Pioneer Medal 
      - September 1986
        
      10 Congresses Certificate of IFIP 
      - May 1988
      Oscar-von-Miller-Plakette in bronze of the Deutsches Museum in Munich 
      - September 1989
      John von Neumann Medal of the Hungarian John von Neumann Computer Society 
      - January 1991
      Plaque for Heinz Zemanek at his secondary school in Vienna, Realgymnasium 6, Marchettigasse 
      - March 1995
        
      Golden badge of honour of the VDE Association for Electrical, Electronic & Information Technologies 
      - November 1997
      Bolzano Medal, Prague 
      - July 1998
        
      Internat. EMAC AWARD, Adelaide, Australia 
      - September 1998
        
      I.L. Auerbach Award of the IFIP 
      - October 1998
      Eduard-Rhein Ring of Honour 
      - December 2003
      Kardinal-Innitzer-Preis 
      - March 2005
        
      Austrian Cross of Honour for Science and Art, 1st class 
      - March 2010
      Rudolf Klompfner Medal, TU Vienna