magnetic-tape parity

magnetic-tape parity
контроль по четности при обращении к магнитной ленте

Большой англо-русский и русско-английский словарь. 2001.

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  • Magnetic 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… …   Wikipedia

  • Parity bit — 7 bits of data (number of 1s) 8 bits including parity even odd 0000000 (0) 00000000 10000000 1010001 (3) 11010001 01010001 1101001 (4) 01101001 11101001 1111111 (7) 11111111 …   Wikipedia

  • Magnetic stripe card — An example of the reverse side of a typical credit card: Green circle #1 labels the Magnetic stripe A magnetic stripe card is a type of card capable of storing data by modifying the magnetism of tiny iron based magnetic particles on a band of… …   Wikipedia

  • Tape drive — DDS tape drive. Above, from left right: DDS 4 tape (20 GB), 112m Data8 tape (2.5 GB), QIC DC 6250 tape (250 MB), and a 3.5 floppy disk (1.44 MB) A tape drive is a data storage device that reads and performs digital recording, writes data on a… …   Wikipedia

  • parity bit — noun Date: 1957 a bit added to an array of bits (as on magnetic tape) to provide parity …   New Collegiate Dictionary

  • 9 track tape — The IBM System/360, released in 1964, introduced what is now generally known as 9 track tape. The magnetic tape is 1/2 inch (12.65 mm) wide, with 8 data tracks and one parity track for a total of 9 parallel tracks. Data is stored as 8 bit… …   Wikipedia

  • Punched tape — Five hole and eight hole punched paper tape Punched tape or paper tape is an obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data. It was widely used during much of the twentieth century for… …   Wikipedia

  • 9-track tape —    A tape storage format that uses nine parallel tracks on 1/2 inch, reelto reel magnetic tape. Eight tracks are used for data, and one track is used for parity information. These tapes are often used as backup systems on minicomputer and… …   Dictionary of networking

  • List of IBM products — The following is a list of notable products from the International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s, and spanning punched card machinery, time clocks, and typewriters, via mainframe… …   Wikipedia

  • IBM 7 track — [ right|thumb|280px|An IBM 704 mainframe with IBM 727 seven track tape drives on the left. (image courtesy of LLNL)] IBM s first magnetic tape data storage devices, introduced in 1952, use what is now generally known as 7 track tape. The magnetic …   Wikipedia

  • English Electric KDF8 — KDF8 was an early British computer designed and built by English Electric, later English Electric Leo Marconi, EELM, later still incorporated into ICL. Background During the late 1950s English Electric embarked on two major computer projects.… …   Wikipedia


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