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An air data computer replaces the mechanical instruments by

  • A.Deriving airspeed from inertial data alone
  • B.Sensing dynamic pressure with a single transducer
  • C.Computing all air data parameters from pressure and temperature inputs
  • D.Measuring altitude directly with a radio altimeter

Answer: C

It takes total pressure, static pressure and total air temperature and computes altitude, airspeed, Mach number, vertical speed and static temperature. Feeding one digital source to every display removes the discrepancies separate mechanical instruments used to show.

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