Can You Hear Me Now?
- Question: Who first used radio waves to transmit the human voice?
- Answer: The first known broadcast transmissions of music and voice were made by Reginald A. Fessenden using an experimental transmitter in December 1906.
- Question: In what year was the iPod first sold?
- Answer: Apple’s iPod portable music device was first released in 2001. The initial version had a 5GB hard drive.
- Question: Which of these terms describes a very short radio wave?
- Answer: A microwave is a radio wave with a very short wavelength.
- Question: Which of these is not a format for music storage?
- Answer: The JPEG file format is used for photographs. The other formats are used to store music digitally.
- Question: Which of these was the first portable music device?
- Answer: The Sony Walkman, released in 1979, was a portable cassette player that allowed people to take music wherever they went.
- Question: Who invented the radio?
- Answer: In the 1890s, Guglielmo Marconi invented the radio. Like the telegraph, his invention at first sent messages in code, not sound.
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© iStockphoto/Thinkstock
© iStockphoto/Thinkstock