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WAEC Data Processing 2020 Question 16

Question 16

Information Transmission

An entrepreneur who wishes to send digital data over a telephone line would need a

  1. A.hub.
  2. B.modem.
  3. C.router.
  4. D.switch.
Show the answer and explanation

Answer: B (modem.)

Explanation

A modem converts digital data to signals that can travel on a telephone line and back again.