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  2. Optical mark recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_mark_recognition

    Optical answer sheets usually have a set of blank ovals or boxes that correspond to each question, often on separate sheets of paper. Bar codes may mark the sheet for automatic processing, and each series of ovals filled will return a certain value when read. In this way students' answers can be digitally recorded, or identity given.

  3. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    Analysts, investors, and accountants track a company's financial statements, balance sheets, and other data on worksheets. In spreadsheet programs like the open source LibreOffice Calc or Microsoft 's Excel , a single document is known as a 'workbook' and may have by default three arrays or 'worksheets'.

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  5. Cheat sheet - Wikipedia

    en.wikipedia.org/wiki/Cheat_sheet

    A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference.

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  7. Art and engraving on United States banknotes - Wikipedia

    en.wikipedia.org/wiki/Art_and_engraving_on...

    This first issue, dated 10 December 1690, was printed from an engraved copper plate with four subjects to a sheet. [2] The first engraver identified in archival records was John Coney who appears to have been paid 30 £ on 12 March 1703 [ 3 ] to engrave three copper plates for the Massachusetts issue dated 21 November 1702. [ 4 ]

  8. Computers in the classroom - Wikipedia

    en.wikipedia.org/wiki/Computers_in_the_classroom

    College campuses used computer mainframes in education since the initial days of this technology, and throughout the initial development of computers. The earliest large-scale study of educational computer usage conducted for the National Science Foundation by The American Institute for Research concluded that 13% of the nation's public high schools used computers for instruction, although no ...

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