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Circuit board that plugs into a computer to provide a new function, such as sound or video input and output. CD
ROM
CD ROM stands for Compact Disk Read-Only Memory. CD
ROMs store and read massive amounts of information on a removable disk
platter or solid-state storage chip.
DVD
DVD, introduced in 1996, was originally known as
Digital Video Disc but soon became known as Digital Versatile Disc. It is
the next generation of optical disc storage technology, which shares the
same overall dimensions of a CD, but have significantly higher capacities
- holding from 4 to 28 times as much data. Single sided DVDs can store
4.7GB for single layer and 8.5GB for dual-layer disks. Double sided DVDs
can store 9.4GB for single layer and 17GB for dual-layer
disks.
CD Writer
hardware device which can save information on to a recordable CD. These may be CD–R (record only) or CD–RW (rewritable). |