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An optical disc is a flat, ... read-only (such as CD and CD-ROM), ... Magnetic disks found limited applications in storing the data in large amount. So, there was the ...
The video signal was stored as an analog format like a video cassette. The first digitally recorded optical disc was a 5-inch audio compact disc (CD) in a read-only format created by Sony and Philips in 1975. [56] The first erasable optical disc drives were announced in 1983, by Matsushita (Panasonic), [57] Sony, and Kokusai Denshin Denwa (KDDI ...
A CD-ROM (/ ˌ s iː d iː ˈ r ɒ m /, compact disc read-only memory) is a type of read-only memory consisting of a pre-pressed optical compact disc that contains data computers can read, but not write or erase.
Optical drives let your computer read and interact with discs like CDs, DVDs, and Blu-rays. However, they're quickly becoming outdated.
An optical disc drive is a device in a computer that can read CD-ROMs or other optical discs, such as DVDs and Blu-ray discs. Optical storage differs from other data storage techniques that make use of other technologies such as magnetism, such as floppy disks and hard disks, or semiconductors, such as flash memory.
Compact Disc is still the de facto standard for audio recordings, although its place for other multimedia recordings and optical data storage has largely been superseded by DVD. DVD (initially an acronym of "Digital Video Disc", then backronymed as "Digital Versatile Disc" and officially just "DVD") was the mass market successor to CD. DVD was ...
LV-ROM is an optical disc format developed by Philips Electronics to integrate analog video and computer software for interactive multimedia. The LV-ROM is a specialized variation of the CAV Laserdisc. LV-ROM is an initialism for "LaserVision Read-Only Memory". Like Laserdisc, LV-ROM discs store analog audio and video by encoding it in pulse ...
MD Data disks can be fully read-only, fully rewritable, or be a hybrid of the two, with a portion of a disk being read-only and while another is rewritable. With 140 MB disks, MD Data offered about 100 times as much storage capacity as ordinary diskettes, and more than its competitors like the Zip (100 MB), SuperDisk (120 MB), and EZ 135 (135 ...