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Optical computing or photonic computing uses light waves produced by lasers or incoherent sources for data processing, data storage or data communication for computing.For decades, photons have shown promise to enable a higher bandwidth than the electrons used in conventional computers (see optical fibers).
Disk storage (also sometimes called drive storage) is a data storage mechanism based on a rotating disk. The recording employs various electronic, magnetic, optical, or mechanical changes to the disk's surface layer.
Dimensions of a standard-size (12 cm diameter) optical disc In case of a 12 cm standard diameter disc, data at the outermost edge (6 cm from center) is accessed at 2.4 times the speed of data at the inner edge of the data-containing program area (2.5 cm from center).
Better known by his pseudonym Phiber Optik, he was once a member of the hacker groups Legion of Doom and Masters of Deception. [ 1 ] Phiber Optik was a high-profile hacker in the 1980s and early 1990s, appearing in The New York Times , Harper's , Esquire , and in debates and on television.
Data storage is the recording (storing) of information in a storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media.
Magnetic-tape data storage is a system for storing digital information on magnetic tape using digital recording.. Tape was an important medium for primary data storage in early computers, typically using large open reels of 7-track, later 9-track tape.
As a consequence of rapid development of electronic computers, capability for integration of existing input, output, and storage devices was a determinant factor in their adoption. [8]