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  2. Computer programming in the punched card era - Wikipedia

    en.wikipedia.org/wiki/Computer_programming_in...

    Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the IBM 704, the first mass-produced computer with floating-point arithmetic hardware ...

  3. Barcode - Wikipedia

    en.wikipedia.org/wiki/Barcode

    Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode readers, of which there are several types.

  4. Source code - Wikipedia

    en.wikipedia.org/wiki/Source_code

    In computing, source code, or simply code or source, is text (usually plain text) that conforms to a human-readable programming language and specifies the behavior of a computer. A programmer writes code to produce a program that runs on a computer.

  5. Comment (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Comment_(computer_programming)

    In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

  6. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    Computer punched card reader—a computer input device used to read executable computer programs and data from punched cards under computer control. Card readers, found in early computers, could read up to 100 cards per minute, while traditional "high-speed" card readers could read about 1,000 cards per minute.

    • TI-59 / TI-58 - Wikipedia
      TI-59 / TI-58 - Wikipedia
      wikipedia.org
    • Avoid Answering Calls from These Area Codes: Scam Phone Numbers Guide
      Avoid Answering Calls from These Area Codes: Scam Phone Numbers Guide
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  7. Punched tape - Wikipedia

    en.wikipedia.org/wiki/Punched_tape

    As early as World War II, the Heath Robinson tape reader, used by Allied codebreakers, was capable of 2,000 cps while Colossus could run at 5,000 cps using an optical tape reader designed by Arnold Lynch. Minicomputers A 24-channel program tape for the Harvard Mark I (c. 1944)

  8. Sumatra PDF - Wikipedia

    en.wikipedia.org/wiki/Sumatra_PDF

    Sumatra PDF is a free and open-source document viewer that supports many document formats including: Portable Document Format (PDF), Microsoft Compiled HTML Help (CHM), DjVu, EPUB, FictionBook (FB2), MOBI, PRC, Open XML Paper Specification (OpenXPS, OXPS, XPS), and Comic Book Archive file (CB7, CBR, CBT, CBZ). [3]

  9. Barcode reader - Wikipedia

    en.wikipedia.org/wiki/Barcode_reader

    A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. Like a flatbed scanner , it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.

  10. List of tools for static code analysis - Wikipedia

    en.wikipedia.org/wiki/List_of_tools_for_static...

    Visual Expert – A SQLServer code analysis tool that reports on programming issues and helps understand and maintain complex code (Impact Analysis, source code documentation, call trees, CRUD matrix, etc.).

  11. Readability - Wikipedia

    en.wikipedia.org/wiki/Readability

    In programming, things such as programmer comments, choice of loop structure, and choice of names can determine the ease with which humans can read computer program code. Higher readability in a text eases reading effort and speed for the general population of readers.