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Questions and Answers
Who was the first person to file a patent application for a machine that transmitted the human voice?
Who was the first person to file a patent application for a machine that transmitted the human voice?
- Alexander Graham Bell (correct)
- Thomas Edison
- Nikola Tesla
- Elisha Gray
What did Alexander Graham Bell's technology enable to be sent across a telegraph line?
What did Alexander Graham Bell's technology enable to be sent across a telegraph line?
- Images and audio together
- Only one message at a time
- Multiple messages (correct)
- A single long message
What did both Alexander Graham Bell and Elisha Gray independently produce?
What did both Alexander Graham Bell and Elisha Gray independently produce?
- Different types of telegraphs
- Similar machines for transmitting voice (correct)
- Early versions of the telephone
- Electric light bulbs
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