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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. List of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/List_of_spreadsheet_software

    Spreadsheets that are parts of suites. Apache OpenOffice Calc — for MS Windows, Linux and the Apple Macintosh. Started as StarOffice, later as OpenOffice.org. It has not received a major update since 2014 and security fixes have not been prompt. Gnumeric — for Linux. Started as the GNOME desktop spreadsheet.

  4. List of free and open-source software packages - Wikipedia

    en.wikipedia.org/wiki/List_of_free_and_open...

    Moodle – Free and open-source learning management system. OLAT – Web-based Learning Content Management System. Omeka – Content management system for online digital collections. openSIS – Web-based Student Information and School Management system. Sakai Project – Web-based learning management system.

  5. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    Linux is one of the most prominent examples of free and open-source software collaboration. The source code may be used, modified, and distributed commercially or non-commercially by anyone under the terms of its respective licenses, such as the GNU General Public License (GPL).

  6. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    In order to speed up execution time and not have to compile the PHP source code every time the web page is accessed, PHP scripts can also be deployed in the PHP engine's internal format by using an opcode cache, which works by caching the compiled form of a PHP script (opcodes) in shared memory to avoid the overhead of parsing and compiling the ...

  7. Cheat sheet - Wikipedia

    en.wikipedia.org/wiki/Cheat_sheet

    Cheat sheets were historically used by students without an instructor or teacher's knowledge to cheat on a test or exam. In the context of higher education or vocational training, where rote memorization is not as important, students may be permitted (or even encouraged) to develop and consult their cheat sheets during exams.

  8. Open-source software - Wikipedia

    en.wikipedia.org/wiki/Open-source_software

    Open-source software ( OSS) is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change, and distribute the software and its source code to anyone and for any purpose. [1] [2] Open-source software may be developed in a collaborative, public manner.

  9. Comparison of free and open-source software licenses

    en.wikipedia.org/wiki/Comparison_of_free_and...

    The Open Source Initiative (OSI) is one such organization keeping a list of open-source licenses. [ 1] The Free Software Foundation (FSF) maintains a list of what it considers free. [ 2] FSF's free software and OSI's open-source licenses together are called FOSS licenses. There are licenses accepted by the OSI which are not free as per the Free ...