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DVD

Definition:

DVD stands for Digital Video Disc and is a popular medium for movies. Movies on a DVD are stored digitally. Playing a DVD requires a DVD player or other device, such as a computer, with a DVD drive. DVDs can hold 6-7 times the amount of information as their same-sized counterpart, the CD.

Certain types of writeable DVDs can be used by computers to store data.

Here's a word you may not know...

web

Just like a spider web is made up of many different strands which connect together, a computer web is made up of many computers that are connected. This allows computers to share information and communicate with each other. See world wide web.