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  2. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    For example, in Python, to print the string Hello, World! followed by a newline, one only needs to write print ("Hello, World!" In contrast, the equivalent code in C++ [ 7 ] requires the import of the input/output (I/O) software library , the manual declaration of an entry point , and the explicit instruction that the output string should be ...

  3. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    Operating systems include the software that is always running, called a kernel—but can include other software as well. [ 7 ] [ 9 ] The two other types of programs that can run on a computer are system programs —which are associated with the operating system, but may not be part of the kernel—and applications—all other software.

  4. Access-control list - Wikipedia

    en.wikipedia.org/wiki/Access-control_list

    In computer security, an access-control list (ACL) is a list of permissions [a] associated with a system resource (object or facility). An ACL specifies which users or system processes are granted access to resources, as well as what operations are allowed on given resources. [1]

  5. Spooling - Wikipedia

    en.wikipedia.org/wiki/Spooling

    Nowadays, the most common use of spooling is printing: documents formatted for printing are stored in a queue at the speed of the computer, then retrieved and printed at the speed of the printer. Multiple processes can write documents to the spool without waiting, and can then perform other tasks, while the "spooler" process operates the printer.

  6. List of ray tracing software - Wikipedia

    en.wikipedia.org/wiki/List_of_ray_tracing_software

    Software License Platforms Windows macOS Linux Other 3Delight: Proprietary: Yes Yes Yes No Amiga Reflections: Proprietary: No No No Amiga: Autodesk 3ds max: Proprietary: Yes No No No Autodesk Maya: Proprietary: Yes Yes Yes No Autodesk Softimage: Proprietary: Yes No Yes No Anim8or: Freeware: Yes No No No ASAP: Proprietary: Yes No No No Bella ...

  7. ASCII - Wikipedia

    en.wikipedia.org/wiki/ASCII

    ASCII (/ ˈ æ s k iː / ⓘ ASS-kee), [3]: 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. . ASCII codes represent text in computers, telecommunications equipment, and other devic

  8. Fused filament fabrication - Wikipedia

    en.wikipedia.org/wiki/Fused_filament_fabrication

    The 3D printer liquefier is the component predominantly used in this type of printing. Extruders for these printers have a cold end and a hot end. The cold end pulls material from the spool, using gear- or roller-based torque to the material and controlling the feed rate by means of a stepper motor. The cold end pushes feedstock into the hot end.

  9. Screen-printed electrodes - Wikipedia

    en.wikipedia.org/wiki/Screen-printed_electrodes

    Screen printing is one of the oldest methods of reproduction. The screen-printed electrodes (SPEs) are presented as a single device in which there are three different electrodes: [4] Working electrode. Their response is sensitive to the analyte concentration. Reference electrode.