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Electronics is a rather young 1____________. It belongs to the twentieth сentury. Within a short period it has become a powerful means of progress.
Electronics surrounds us everywhere. Television, radio-receiving, tape-recording — are all based on 2_____________. The ideas of electronics are embodied in 3______________ technology and means of automation, biology and genetics which have 4______________ biotechnology as a new branch of the national economy.
science
electronics
computer
advanced