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Punched card input/output. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with ...
Punched cards. A punched card is a flexible write-once medium that encodes data, most commonly 80 characters. Groups or "decks" of cards form programs and collections of data. The term is often used interchangeably with punch card, the difference being that an unused card is a "punch card," but once information had been encoded by punching ...
Punched card. A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card[ 1] or punched-card[ 2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines . Punched cards were widely used in the 20th ...
IBM 2501 reader. IBM 1442 [1] [2] is a combination IBM card reader and card punch. It reads and punches 80-column IBM-format punched cards [3] and is used on the IBM 1440, the IBM 1130, the IBM 1800 [4] and System/360 [5] and is an option on the IBM System/3. [6]
The bank creates a set of unique TANs for the user. [1] Typically, there are 50 TANs printed on a list, enough to last half a year for a normal user; each TAN being six or eight characters long. The user picks up the list from the nearest bank branch (presenting a passport, an ID card or similar document) or is sent the TAN list through mail.
Carding (fraud) Carding refers not only to payment card based fraud, but also to a range of related activities and services. Carding is a term of the trafficking and unauthorized use of credit cards. [ 1] The stolen credit cards or credit card numbers are then used to buy prepaid gift cards to cover up the tracks. [ 2]
A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [ 1] ), is a device which interfaces with payment cards to make electronic funds transfers. The terminal typically consists of a secure keypad ...
Authorization hold. Authorization hold (also card authorization, preauthorization, or preauth) is a service offered by credit and debit card providers whereby the provider puts a hold of the amount approved by the cardholder, reducing the balance of available funds until the merchant clears the transaction (also called settlement ), after the ...