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What did Reginald Fessenden invent?

  1. The television

  2. The radio

  3. The computer

  4. The internet

The correct answer is: The radio

Reginald Fessenden is credited with inventing the radio because he was the first person to successfully transmit voice and music over the airwaves in a radio broadcast. While he made significant contributions to the field of telecommunications, he did not invent the television, the computer, or the internet. The television was invented by John Logie Baird, the computer was invented by Charles Babbage and Alan Turing, and the internet was developed through the collaboration of various individuals and organizations. Therefore, these options are incorrect.