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WAEC Computer Studies 2021 Objective — Question 28

Question 28 of 50 from the West African Examinations Council (WAEC) Computer Studies 2021 Objective paper, with the correct answer and a full explanation.

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28. In Figure 6, the signal from modem X to modem Y is

Diagram for question 28
  • A. analogueCorrect
  • B. digital
  • C. imaginary
  • D. aperiodic

Explanation

Modems convert digital computer signals into analogue signals for transmission over telephone lines between modems.

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