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Cards would typically be punched with some initial information, such as the name and location of an inventory item. Information to be added, such as quantity of the item on hand, would be marked in the ovals. Card punches with an option to detect mark sense cards could then punch the corresponding information into the card.
An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. 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 single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...
Columns on different punch cards vary from 5 to 12 punch positions. The method used to store data on punched cards is vendor specific. In general each column represents a single digit, letter or special character. Sequential card columns allocated for a specific use, such as names, addresses, multi-digit numbers, etc., are known as a field.
A punched card sorter is a machine for sorting decks of punched cards. Sorting was a major activity in most facilities that processed data on punched cards using unit record equipment. The work flow of many processes required decks of cards to be put into some specific order as determined by the data punched in the cards.
In both electronic punch systems, the control code (number) and punch time at each control point are recorded on the card. At the finish, data on the card are copied to a computer and a receipt is printed to confirm or deny that the course has been completed correctly. A system has been developed to report these data by amateur radio. When a ...
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KONA 5 was located on the Western Front for much of World War II and was the only unit of that type located there, until the establishment of KONA 7 in February 1943. Before February 1944, the KONA 5 organization consisted of NAAS 5, Feste 2, 3,9 and 12, as well as two Long Range Signal Intelligence Companies, FAK 613 and FAK 624 [ 47 ...