An internal device that reads and transfers data to a CD or DVD. Examples include CD-ROM, CD-RW, DVD-ROM, DVD-ROM with CD-RW, CD-RW/DVD combo drive and double-layer multi-format DVD writer (DVD±/R±RW/CD-R/RW).
A storage device that uses light to store data instead of magnetism, suchas CD-ROM, CD-RW or DVD-ROM. It is usually written by a laser. » To top of page PCI Expansion (internal) A slot into which a PCI card may be plugged in order to allow anotherdevice to be added to the computer via a cable, such as an Ethernet or USB card.