Multiple choice

Wired communication can also be done using

  1. radio waves.

  2. blue tooth.

  3. 4G.

  4. fibre optics.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fibre optics involve the transmission of information as light pulses through physical glass or plastic strands, making it a form of wired (or cabled) communication. Radio waves, Bluetooth, and 4G are all wireless technologies that transmit data through the air without physical cables.

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