What is the circumference of a DVD?

What is the diameter of a DVD disc?

DVDs resemble compact discs as their physical dimensions are the same (120 mm (4.72 inches) or occasionally 80 mm (3.15 inches) in diameter) but they are encoded in a different format and at a much higher density.

What is the diameter of a CD in CM?

By far, the most common is 120 millimetres (4.7 in) in diameter, with a 74- or 80-minute audio capacity and a 650 or 700 MB (737,280,000-byte) data capacity.

What is the radius of a compact disc?

A compact disc has a radius of 6 centimeters.

How many MB fit on a DVD?

DVD or digital versatile disc is a type of optical disc storage and it came after CD’s by the end of 1995. DVDs have single and double-sided versions, and for example, a double-sided, double-layer DVD can hold 17.08 GB of data. That means 17080 MB in decimal and 17489.92 MB in binary bases.

What is the size of CD and DVD?

The acquire size of CD is 700 MB. While the acquire size of DVD is 4.7 GB to 17 GB. 2. In CD, the recording or metal layer is situated on the top of disk.

How is a DVD different from a CD?

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. … The data on a DVD+RW disc can be erased and recorded over numerous times.

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What is the measure of circumference of compact disk?

the circumference of a compact disc is 28.26cm.

Why are CDs 74 minutes?

The original target storage capacity for a CD was one hour of audio content, and a disc diameter of 115 mm was sufficient for this, however both parties [Sony and Philips] extended the capacity to 74 minutes to accommodate a complete performance of Beethoven’s 9th Symphony.