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What is the direction of rotation of a CD?

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What is the direction of rotation of a CD?

(a) anticlockwise

(b) clockwise

(c) either clockwise or anticlockwise depend on data stored

(d) first anticlockwise and then clockwise

The question was asked by my college professor while I was bunking the class.

Asked question is from Advantages of Filter Method topic in portion SSB Modulation of Analog Communications

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The correct choice is (a) anticlockwise

Best explanation: CD stands for compact disk. The direction of rotation of Compact Disk is anticlockwise.

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