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
- 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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