magnetic card storage

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• Card reader — A card reader is a data input device that reads data from a card shaped storage medium. Historically, paper or cardboard punched cards were used throughout the first several decades of the computer industry to store information and write programs …   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

• Magnetic-core memory — A 32 x 32 core memory plane storing 1024 bits of data. Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRA …   Wikipedia

• Magnetic storage — and magnetic recording are terms from engineering referring to the storage of data on a magnetized medium. Magnetic storage uses different patterns of magnetization in a magnetizable material to store data and is a form of non volatile memory.… …   Wikipedia

• Magnetic tape — 7 inch reel of ¼ inch wide audio recording tape, typical of consumer use in the 1950s–70s. Magnetic tape is a medium for magnetic recording, made of a thin magnetizable coating on a long, narrow strip of plastic. It was developed in Germany,… …   Wikipedia

• Card security code — The Card security code is located on the back of MasterCard, Visa and Discover credit or debit cards and is typically a separate group of 3 digits to the right of the signature strip …   Wikipedia

• Magnetic ink character recognition — Cheque sample for a fictional bank in Canada using par crossing MICR encoding for cashing in the United States Magnetic Ink Character Recognition, or MICR, is a character recognition technology used primarily by the banking industry to facilitate …   Wikipedia

• Data storage device — Many different consumer electronic devices can store data …   Wikipedia

• Early IBM disk storage — The invention of magnetic disk storage, pioneered by IBM in the 1950s, was a critical component of the computer revolution. This article surveys the major IBM computer disk drives introduced in the 1950s, 1960s and early 1970s. The basic… …   Wikipedia

• Punched card — Overpunch redirects here. For the code, see Signed overpunch. A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined… …   Wikipedia

• DVD card — A DVD card, also called Business Card DVD,[1] is a DVD with the size and shape of a business card. Much like a traditional DVD, is an optical based media whose primary function is DVD video playback and data storage. In recent years the DVD card… …   Wikipedia