If you are looking for information about "Punch cards": the following search results will help you to find out what Punch cards means.
| 1 | Punch |
| Punch can refer to: Punch from Punch and Judy. Punch magazine. Punch, the drink. A punch made with a fist. A hole punch - a device made to pierce holes in a material. Punch is a 1994 movie starring... reduction. Some scholars interpret pieces esquillées as punches as well ... | |
| 2 | IBM 1442 |
| IBM 1442. Click to enlarge. IBM 1442 was an IBM card reader and card punch. It was used on the IBM 1130, the IBM 1800 and System/360. The 1440 could read up to 400 punch cards per minute. Cards were read and punched one column at a time and binary cards were permitted. It was even possible ... | |
| 3 | Card |
| sending messages punch card - an obsolete method for storing data test card - for a television test... The term card has many different meanings. These include: collectible card or trading card - either: a card used in trading card game or collectible card game or one of a set of cards, intended ... | |
| 4 | Lace card |
| A lace card from the early 1970s. A lace card is a punch card with all holes punched (also called a whoopee card, ventilator card or IBM doily ). Card readers tended to jam when they got to one... mechanism. Card punches could also jam trying to produce these things owing to power-supply problems ... | |
| 5 | IBM 519 |
| of unit record machines designed for automated production of punch cards. It could reproduce all or... detail cards; printing up to 8 digits on the end of the card; compare two decks of cards, punch... features allowed the 519 to read pencil marks on cards and punch the data they contain, and to ... | |
| 6 | Key punch |
| A key punch is a machine for manually entering data onto punch cards. The key punch looked like a small desk. It had a keyboard similar to a typewriter and hoppers for blank and punched cards. Later model key punches printed the value of each column punched at the top of the card. In some cases ... | |
| 7 | IBM 550 |
| data punched on cards and printed it across the top of each card. The 550 was introduced in 1930... operated at the rate of 75 cards a minute. The feed hopper had a capacity of 800 cards, and the stacker had a capacity of 1,000 cards ... | |
| 8 | Punch card |
| The punch card (or " Hollerith " card) is a recording medium for holding information for use by automated data processing machines. Made of stiff cardboard, the punch card represents information by... computing, from the 1920s into the 1950s, punch cards were the primary medium for data storage and ... | |
| 9 | System/3 |
| A System 3 punch card. Click to enlarge. The IBM System/3 was was a low-end business computer... series computers or unit record equipment. It featured a new punch card format that was smaller and stored 96 characters. Instead of the rectangular punches in the classic IBM card, the new cards had ... | |
| 10 | IBM CPC |
| The IBM Card-Programmed Electronic Calculator or CPC was announced by IBM in May 1949. The Calculator had the following machines interconnected by cables: Electronic Calculating Punch IBM 605 with punch unit IBM 527 Accounting Machine IBM 412 or IBM 418 Optional Auxiliary Storage Unit IBM ... | |
| 11 | Machine-readable medium |
| In telecommunication, a machine-readable medium ( automated data medium ) is a medium capable of storing data in a form that can be accessed by an automated sensing device. Examples of machine-readable media include (a) magnetic disks, cards, tapes, and drums, (b) punched cards and paper tapes, (c ... | |
| 12 | List of IBM products |
| processing equipment company, spanning from early-to-mid-20th-century punched card machinery and... punch printing Unit record equipment IBM 70 (Card Sorter) IBM 71 (Card Sorter) IBM 75 (Card... Calculating Punch; 1949) IBM CPC (Card Programmed Electronic Calculator; 1949) IBM 607 (Electronic ... | |
| 13 | Chad (paper) |
| Chads are paper particles created when holes are made in a computer punched tape or punch card..., where a majority in the U.S. Electoral College was determined in Florida by the counting of punch card ballots. Voters leaving incompletely-punched holes resulted in so-called "hanging chads" where one or ... | |
| 14 | List of test cards |
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| 15 | IBM 80 |
| The IBM 80 Electric Punched Card Sorting Machine, was introduced by IBM in 1925. This sorter was... operation of a card sorter is to take a stack of IBM punch cards, examine a single column, and place the card into the corresponding pocket. There are twelve rows on a punch card, and thirteen pockets ... |