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  • Digital vs. Analog Signals (Technology)
  • Which of the following technologies does NOT use wireless...
Multiple choice

Which of the following technologies does NOT use wireless digital signals?

  1. AM radio

  2. Bluetooth

  3. 3G, 4G, LTE

  4. WiFi connectivity

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

AM radio uses analog signals to transmit audio information. Bluetooth, 3G/4G/LTE, and WiFi all rely on digital signal processing and transmission.

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