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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 holes in the 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 century, where unit ...
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 ...
Free File Fillable Forms is an electronic version of IRS paper forms. Free File Fillable Forms does not include any elaborate cross-checking or question-and-answer formats (such as is found in many of the Free File Software packages), instead it is a simple fill-in-the blank format (however, it does perform math calculations).
In its basic form, a tabulating machine would read one card at a time, print portions (fields) of the card on fan-fold paper, possibly rearranged, and add one or more numbers punched on the card to one or more counters, called accumulators. On early models, the accumulator register dials would be read manually after a card run to get totals.
You may be able to get a corporate credit card without a personal guarantee. In other words, your business is liable for all of the credit card debt. In some cases, corporate credit cards don’t ...
The term unit record equipment also refers to peripheral equipment attached to computers that reads or writes unit records, e.g., card readers, card punches, printers, MICR readers. IBM was the largest supplier of unit record equipment and this article largely reflects IBM practice and terminology.
IBM 1402 reader/punch; 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 ]