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WAEC Data Processing 2019 Question 7

Question 7

Information Transmission

Which of these devices does not support wireless communication?

  1. A.GSM phone
  2. B.Mouse
  3. C.Router
  4. D.Telephone
Show the answer and explanation

Answer: D (Telephone)

Explanation

A fixed (landline) telephone works through wires; GSM phones, routers and many mice can work wirelessly.