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The first mark sense scanner was the IBM 805 Test Scoring Machine; this read marks by sensing the electrical conductivity of graphite pencil lead using pairs of wire brushes that scanned the page. In the 1930s, Richard Warren at IBM experimented with optical mark sense systems for test scoring, as documented in US Patents 2,150,256 (filed in ...
Duplicating machines were the predecessors of modern document-reproduction technology. They have now been replaced by digital duplicators, scanners, laser printers, and photocopiers, but for many years they were the primary means of reproducing documents for limited-run distribution.
Gradescope (stylized as gradescope) is an American ed-tech company that offers online and AI-assisted grading tools for higher education.Founded in 2014, the company is headquartered in Berkeley, California.
A duplex ADF scanner with tray that holds up to 120 sheets at a time, the DS-30000 Large-Format Document Scanner can capture scans as small as 2 x 2 inches (5.08 x 5.08cm) and as large as 12 x 17 ...
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The scanner's processor interprets the results from the sensors, creates a tally for each candidate, and usually stores the image for later review. The ballot is sometimes immediately interpreted at polling stations allowing for voters to be notified by the voting system of voting errors such as an overvote and some types of spoilt votes .
The modern version of a mimeograph, called a digital duplicator, or copyprinter, contains a scanner, a thermal head for stencil cutting, and a large roll of stencil material entirely inside the unit. The stencil material consists of a very thin polymer film laminated to a long-fiber non-woven tissue.
A series of digits (some 30) is created so the computer can recognise a child when he/she places their fingerprint on a scanner. The data stored can be interoperable [ 12 ] with Automated Fingerprint Identification Systems (AFIS) used by police and other agencies to store fingerprint data.
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