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Railways PYQCBT 1 2016

RRB NTPC · Question 75

In which of the following devices, a gyroscope is used? A. Computer keyboard B. Computer mouse C. Telephone D. Television

  1. D

  2. C

  3. B

  4. A

Show answer & explanation

Answer: (C) B

Explanation

Gyroscopic (air) mice use a gyroscope to track movement in the air, so the official key marks the computer mouse.