How CDs Work

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Referat, Hausaufgabe, How CDs Work
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Referat
How Compact Discs Work Today CDs are everywhere. They are used to hold music, data or computer software. They have become the standard medium for distributing large quantities of information. CDs are very easy and cheap to produce. Lets look how CDs and CD drives work and at some different forms of CDs. Analogue and digital recording When CDs come out in the early 1980s, their single purpose in life was to hold music. So to understand how a CD works, we need to understand how digital recording and playback work. Thomas Edison created the first device for recording and playing back sounds in 1877. He used a very simple mechanism to store an analogue wave. In Edison s original phonograph a diaphragm 1 controlled a needle and the needle scratched an analogue signal onto a thin foil ...

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Anzahl Wörter:
940
Art:
Referat
Sprache:
Englisch
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