recording density
21Double Density Compact Disc — (DDCD) is an optical disc technology developed by Sony using the same laser wave length as compact disc, namely 780 nm. The format is defined by the purple book standard document.For 120 mm disc radius, it doubles the original 650 MB to 1.3 GB… …
22Zone bit recording — (ZBR) is used by disk drives to store more sectors per track on outer tracks than on inner tracks. It is also called Zone Constant Angular Velocity (Zone CAV or Z CAV or ZCAV).On a disk consisting of concentric tracks, the physical track length… …
23Double-density compact disc — (DDCD) is an optical disc technology developed by Sony using the same laser wave length as compact disc, namely 780 nm. The format is defined by the purple book standard document. For a 120 mm disc, it doubles the original 650 MB to 1.3 …
24double-density — doubˈle densˈity adjective (computing) (of a disk) capable of recording double the normal number of bytes • • • Main Entry: ↑double * * * ˌdouble ˈdensity 7 [double density] adjective ( …
25Double Density CD — Speichermedium Compact Disc (CD) Allgemeines Typ Optisches Speichermedium Kapazität bis zu 900 MB (90 min Audio) Größe 12 cm / 8 cm (Durchmesser) …
26Double Density Compact Disc — Speichermedium Compact Disc (CD) Allgemeines Typ Optisches Speichermedium Kapazität bis zu 900 MB (90 min Audio) Größe 12 cm / 8 cm (Durchmesser) …
27noiseless recording — noun : a method of film recording in which the average density of the unmodulated track of the negative is decreased during silent and soft passages in order to reduce background noise …
28Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
29Magnetic tape data storage — uses digital recording on to magnetic tape to store digital information. Modern magnetic tape is most commonly packaged in cartridges and cassettes. The device that performs actual writing or reading of data is a tape drive. Autoloaders and tape… …
30Disk-drive performance characteristics — are the attributes which control the time it takes to transfer (read or write) data between a computer and a data storage device (most typically disk storage) starting with the initial command from the computer or host until the storage device… …
