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1 compact disc read-only memory
A form of storage characterized by high capacity (roughly 650 MB) and the use of laser optics instead of magnetic means for reading data.English-Arabic terms dictionary > compact disc read-only memory
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2 CD-ROM drive
"An electromechancial device that reads data on CD-ROMs. Most CD-ROM drives have a SCSI interface, although some are connected to a PC via a controller for a disk drive. Data is read through a small laser that is focused on the surface of the CD-ROM through optical mirrors in the read/write head. A spindle and drive motor revolve the CD-ROM, so all data, which is stored in spirals from the center, can be read." -
3 bar code reader
"An optical device that uses a laser beam to read and interpret bar codes, such as the Universal Product Codes, found on grocery products and other retail items." -
4 disc
"A round, flat piece of nonmagnetic, shiny metal encased in a plastic coating, designed to be read from and written to by optical (laser) technology." -
5 cartridge font
"A font contained in a plug-in cartridge and used to add fonts to laser, ink-jet, or high-end dot-matrix printers. Cartridge fonts are distinguished both from internal fonts, which are contained in read-only memory (ROM) in the printer and are always available, and from downloadable (soft) fonts, which reside on disk and which can be sent to the printer as needed."
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