Appendix A. About DVDs

Unless you have been living in a closet for the past few years, you know what a DVD (Digital Versatile Disc) looks like. You probably have rented, purchased, or at least seen a movie or presentation on a DVD within the past few months. A DVD is just another medium for saving and storing digital media used for playback or archiving. In general, a DVD is physically the same size as a CD-ROM but can hold a far greater number of files because of its increased storage capacity. The average CD-ROM has 700 MB of disc space, compared to a single-sided, single-layer DVD, which has 4.7 GB of space. Some double-sided, dual-layered DVDs can hold upwards of 19 GB on a single disc. That's a lot of media.

One way to take advantage of this ...

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