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  2. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    PID controllers often provide acceptable control using default tunings, but performance can generally be improved by careful tuning, and performance may be unacceptable with poor tuning. Usually, initial designs need to be adjusted repeatedly through computer simulations until the closed-loop system performs or compromises as desired.

  3. Process identifier - Wikipedia

    en.wikipedia.org/wiki/Process_identifier

    In some APIs, PID 0 is also used as a special value that always refers to the calling thread, process, or process group. [3] [4] Process ID 1 is usually the init process primarily responsible for starting and shutting down the system. Originally, process ID 1 was not specifically reserved for init by any technical measures: it simply had this ...

  4. PID - Wikipedia

    en.wikipedia.org/wiki/PID

    PID controller (proportional-integral-derivative controller), a control concept used in automation; Piping and instrumentation diagram (P&ID), a diagram in the process industry which shows the piping of the process flow etc. Principal ideal domain, an algebraic structure; Process identifier, a number used by many operating systems to identify a ...

  5. Glossary of computer graphics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_computer_graphics

    Graphics represented as a rectangular grid of pixels. Rasterization Converting vector graphics to raster graphics. This terms also denotes a common method of rendering 3D models in real time. Ray casting Rendering by casting non-recursive rays from the camera into the scene. 2D ray casting is a 2.5D rendering method. Ray marching

  6. Digital differential analyzer (graphics algorithm) - Wikipedia

    en.wikipedia.org/wiki/Digital_differential...

    In computer graphics, a digital differential analyzer (DDA) is hardware or software used for interpolation of variables over an interval between start and end point. DDAs are used for rasterization of lines, triangles and polygons.

  7. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    PL/I—Programming Language One; PL/M—Programming Language for Microcomputers; PL/P—Programming Language for Prime; PLT—Power Line Telecommunications; PMM—POST Memory Manager; PNG—Portable Network Graphics; PnP—Plug-and-Play; PNRP—Peer Name Resolution Protocol; PoE—Power over Ethernet; PoS—Point of Sale; POCO—Plain Old Class ...

  8. Borland Graphics Interface - Wikipedia

    en.wikipedia.org/wiki/Borland_Graphics_Interface

    BGI was accessible in C/C++ with graphics.lib / graphics.h, and in Pascal via the graph unit. BGI was less powerful than modern graphics libraries such as SDL or OpenGL, since it was designed for 2D presentation graphics instead of event-based 3D applications.

  9. Computer graphics (computer science) - Wikipedia

    en.wikipedia.org/wiki/Computer_graphics...

    Computer graphics is a sub-field of computer science which studies methods for digitally synthesizing and manipulating visual content. Although the term often refers to the study of three-dimensional computer graphics, it also encompasses two-dimensional graphics and image processing.