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In which year did the first commercial mobile telephone network begin?

  • A.1960
  • B.1979
  • C.1991
  • D.1985

Answer: B

The first commercial network opened in 1979.

Nippon Telegraph and Telephone launched it at Tokyo that year. Martin Cooper of Motorola had made the first handheld mobile call in 1973, ringing his rival at Bell Labs from a New York pavement.

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