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Statistics for A Level Computing - Optical Disc

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General Stats

This quiz has been taken 0 times
The average score is 0 of 7

Answer Stats

Answer	% Correct
A laser is passed over the tracks as the disc spins	0%
and transmits a signal back	0%
The disc is comprised of flats and pits in rings, called tracks	0%
The flats reflect light back to an opto-electric sensor	0%
The opto-electric sensor detects the change in light	0%
The pits do not reflect light	0%
The process is repeated for each track, until all data has been read	0%

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