Radioelectronics, computer engineering, automatic control systems.

Graduated from Leningrad Military Academy after S.M. Budyonov (1946). Dr. of Tech. Sciences (1975), acad. (1977, corr. member 1971).

Adviser to the prime-minister of RA (2006)

Foreign member of the Russian, Georgian and Portugalian Academies of Sciences, Honorary Member of the International Academy of Engineering Sciences, of the "Ararat" International Academy of Sciences, of the Armenian Philosophical Academy, of the International Academy of Sciences, Education, Industry and Arts, Member of the International Informatizations Academy, of Academy of Military Sciences, of All-National Academy of Knowledge, of International Academy "Elite", of International Academy of Medical&Technical Sciences, of the Armenian Academy of Engineering Sciences, of Russian Academy of Natural Sciences, Member of the Presidium of the International Academy of National Security.

Double laureate of state award of the USSR, laureate of state award of the Ukrainian SSR. Has been honored with orders of Lenin, October Revolution, Red Banner of Labour (3 times), Saint Mesrop Mashtots and medals

Different leading positions in the Scientific Technical Committee of the Central Rocket Artillery Administration of the USSR Ministry of Defence (1946 - 1959), director of Yerevan Scientific Research Institute of Mathematical Machines (YSRIMM) (1963-1977), Chairman of the Council of Ministers of the Armenian SSR (1977-1989), Academician-secretary of the Division of physico-mathematical and technical sciences of the National Academy of Sciences of Armenia ( 1989-1993), President of the National Academy of Sciences of Armenia (1993-2006).