Ключевые слова: abstract, audio, background, backup, blue, business, bytes, cd, cdr, cdrom, cdrw, circle, closeup, colors, communication, compact, computer, data, digital, digitally, disc, disk, dvd, equipment, gigabytes, industry, information, media, medium, megabytes, multimedia, music, object, optical, pc, record, recordable, reflection, round, shiny, software, sound, spectrum, storage, technology, writable,