It is truly a fact that we are living in this modern world which all technologies are advanced and improved. One of these technologies is in the DVD technology. Before, we normally used CDs as main novelty to the PC’s world but now, DVD is more used and preferred by multitudes of masses due to its admirable features which the CD doesn’t have.

DVD was formerly represented as Digital Video Disc but then changed into Digital Versatile Disc and is considered as the next generation of the optical disc storage technology which is predicted and awaited to quickly substitute the CD-ROM disc along with audio compact disc around the following several years. DVD contains 4. 7 information’s gigabytes on one of its both sides or sufficient for a 133-minute movie. Having two layers on every of its both sides, it will keep up to 17 gigabytes of audio, video and other data.

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DVD-Video is the typical term for the DVD format designed for full-length motion pictures and which will drive with our television set. The DVD-ROM keeps computer information and is read through a DVD-ROM drive which is connected to a computer, the DVD-RAM is the writeable version while the DVD-Audio is a player which is designed to substitute our compact disc player (see Bellis, Mary. “DVD”. http://inventors. about. com/library/inventors/bldvd. htm).

A DVD with correctly structured and formatted video substance is a DVD-Video. The DVDs with correct structured and formatted audio are termed as DVD-Audio discs. And everything as well is named as a DVD-Data disc as well as the other types of DVD discs which have video (Wikipedia, free encyclopedia. August 27, 2006). The purposes of this study are to: (1) know the history of DVD technology; and (2) be acquainted with its useful features and its functions; and how it is being distinct from CD.