What media product did David Paul Gregg invent ?
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Tape Recorder
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Optical/Video disk.
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Fiber Optic
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DVD
Reveal answer
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B
Correct answer
Explanation
David Paul Gregg invented the optical disc (also known as the laser disc or video disc) in the 1960s while working at Georgia Tech. His invention laid the groundwork for later optical media like CDs and DVDs. He did not invent tape recorders, fiber optics, or DVDs specifically.
AI explanation
David Paul Gregg is credited with inventing the optical (video) disc technology in the late 1950s/early 1960s, which later evolved into laserdisc, CD, and DVD formats.