gothgirl311192 gothgirl311192

02-02-2018
Computers and Technology

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list and briefly explain two other Discovery / inventions that were necessary for the eventual development of the technology needed to create and listen to CDs

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02-02-2018

CD's use laser beams to read a pattern, so the invention of the laser is necessary.

CD's use digital representation of audio, so the invention of the analog-to-digital converter (for recording) and the digital-to-analog converter (for playback) was needed as well.

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