Q. List the differences between a CD and a DVD.


Answer :-

CD:-
• The acquire size of CD is 700 MB.
• In CD, the recording or metal layer is situated on the top of disk.
• There is only single pit layer in CD.
• In CD, the data transfer rate is 1.4 MB to 1.6 MB/sec.

DVD:-
• The acquire size of DVD is 4.7 GB to 17 GB.
• In DVD, the recording or metal layer is situated in middle of disk.
• There are double layers of pits in DVD.
• In DVD, the data transfer rate is 11 MB/sec.

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