punched tape input

  • 11Optical mark recognition — (also called Optical Mark Reading and OMR) is the process of capturing human marked data from document forms such as surveys and tests. Contents 1 OMR background 2 OMR software 2.1 Open Source …

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  • 12Colossus computer — Colossus MkI/MkII A Colossus Mark 2 computer. The operator on the left is Dorothy Duboisson. The slanted control panel on the left was used to set the pin patterns on the Lorenz. The bedstead paper tape transport is on the right. Developer Tommy… …

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  • 13Computer data storage — 1 GB of SDRAM mounted in a personal computer. An example of primary storage …

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  • 14Operating system — Operating systems …

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  • 15Data storage device — Many different consumer electronic devices can store data …

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  • 16ICT 1301 — The ICT 1301 and its smaller derivative ICT 1300 were early business computers from International Computers and Tabulators. Typical of mid sized machines of the era they used core memory, drum storage and punched cards, but they were unusual in… …

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  • 17International Computers and Tabulators — or ICT was formed in 1959 by a merger of the British Tabulating Machine Company (BTM) and Powers Samas. In 1963 it also added the business computer divisions of Ferranti. It exported computers to many countries around the world and went on to… …

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  • 18IBM 1401 — The IBM 1401, the first member of the IBM 1400 series, was a variable wordlength decimal computer that was announced by IBM on October 5, 1959. It was withdrawn on February 8, 1971.From the [http://www… …

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  • 19RCA Spectra 70 — The RCA Spectra 70 was a line of electronic data processing (EDP) equipment manufactured by the Radio Corporation of America’s computer division beginning in April 1965. The Spectra 70 line included several CPU models, various configurations of… …

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  • 20Barcode — For the taxonomic method, see DNA barcoding. A UPC A barcode symbol A barcode is an optical machine readable representation of data, which shows data about the object to which it attaches. Originally barcodes represented data by varying the… …

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