Question

What is main difference between a CD and a DVD ​

Answer 1

DVD, short for Digital Versatile Disc, is also an optical medium to store digital data. A standard DVD can hold 4.7 GB ofdata. So DVD is widely used to store large files like video and movies. The capacity is the biggest difference between CD and DVD.

Answer 2

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Explanation:

A Digital Versatile Disc or Digital Video Disc (DVD) is similar to a CD-ROM in that you can only read data from it. The main difference is that the DVD can store much more data than a CD-ROM, CD-R, or CD-RW. ... A DVD-R can only record data once, then the data becomes permanent on the disc.

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