Definition of Keypunch. Meaning of Keypunch. Synonyms of Keypunch

Here you will find one or more explanations in English for the word Keypunch. Also in the bottom left of the page several parts of wikipedia pages related to the word Keypunch and, of course, Keypunch synonyms and on the right images related to the word Keypunch.

Definition of Keypunch

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Meaning of Keypunch from wikipedia

- A keypunch is a device for precisely punching holes into stiff paper cards at specific locations as determined by keys struck by a human operator. Other...
- in the 1890s created a demand for many workers, typically women, to run keypunch machines. To ensure accuracy, data was often entered twice; the second...
- devices lacking any pre-processing capabilities were used. Data entry using keypunches was related to the concept of batch processingthere was no immediate...
- then taken by keypunch operators, who using a keypunch machine such as the IBM 026 (later IBM 029) punched the deck. Often another keypunch operator would...
- Printer Keyboard IBM 5475 Data Entry Keyboard IBM 5496 Data Recorder, a keypunch machine with print and verify functions IBM 5486 Card Sorter Entry models...
- comes from the utility of two devices: teleprinters (or teletypes) and keypunches. It was through such devices that modern computer keyboards inherited...
- computer programs and data. Data can be entered onto a punched card using a keypunch. While punched cards are now obsolete as a storage medium, as of 2012,...
- records were entered onto sequential 80-column Hollerith cards with a keypunch. In the first p**** through a set of records, the data keystrokes were entered...
- teller machine (ATM), dynamic random access memory (DRAM), the electronic keypunch, the financial swap, the floppy disk, the hard disk drive, the magnetic...
- census. He invented the first automatic card-feed mechanism and the first keypunch. The 1890 Tabulator was hardwired to operate on 1890 Census cards. A control...