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  2. Microsoft Product Activation - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Product_Activation

    In Windows 7 and later, significant hardware changes (e.g. motherboard) may require a re-activation. In Windows 10 and 11, a user can run the Activation Troubleshooter if the user has changed hardware on their device recently. If the hardware has changed again after activation, they must wait 30 days before running the troubleshooter again.

  3. AutoCAD version history - Wikipedia

    en.wikipedia.org/wiki/AutoCAD_version_history

    AutoCAD opens documents with DWG compatibility as a "DWG file format version code" where the specific version code can be found by opening the .dwg file in Windows Notepad or any text editor program. The file contents starts with this string. The file format version code (tag) is dependent on the AutoCAD version. [2]

  4. AutoCAD - Wikipedia

    en.wikipedia.org/wiki/AutoCAD

    A man using AutoCAD 2.6 to digitize a drawing of a school building. AutoCAD was derived from a program that began in 1977, and then released in 1979 [5] named Interact CAD, [6] [7] [8] also referred to in early Autodesk documents as MicroCAD, which was written prior to Autodesk's (then Marinchip Software Partners) formation by Autodesk cofounder Michael Riddle.

  5. Autocad electrical - Wikipedia

    en.wikipedia.org/?title=Autocad_electrical&...

    Created for electrical control systems, AutoCAD Electrical design software includes all the functionality of AutoCAD plus a complete set of electrical CAD features. Comprehensive symbol libraries and tools for automating electrical design tasks help to save hours of effort, so electrical engineers can spend more time innovating.

  6. Microsoft PowerToys - Wikipedia

    en.wikipedia.org/wiki/Microsoft_PowerToys

    Microsoft PowerToys is a set of freeware (later open source) system utilities designed for power users developed by Microsoft for use on the Windows operating system. These programs add or change features to maximize productivity or add more customization.

  7. Electrical safety testing - Wikipedia

    en.wikipedia.org/wiki/Electrical_safety_testing

    In electrical engineering, electrical safety testing is essential to make sure electrical products and installations are safe. To meet this goal, governments and various technical bodies have developed electrical safety standards. All countries have their own electrical safety standards that must be complied with.

  8. Earthquake engineering - Wikipedia

    en.wikipedia.org/wiki/Earthquake_engineering

    Earthquake engineering is an interdisciplinary branch of engineering that designs and analyzes structures, such as buildings and bridges, with earthquakes in mind. Its overall goal is to make such structures more resistant to earthquakes.

  9. Functional programming - Wikipedia

    en.wikipedia.org/wiki/Functional_programming

    Consider C assignment statement x=x*10, this changes the value assigned to the variable x. Let us say that the initial value of x was 1, then two consecutive evaluations of the variable x yields 10 and 100 respectively. Clearly, replacing x=x*10 with either 10 or 100 gives a program a different meaning, and so the expression is not ...