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  2. System software - Wikipedia

    en.wikipedia.org/wiki/System_software

    The operating system (prominent examples being Microsoft Windows, macOS, Linux, and z/OS), allows the parts of a computer to work together by performing tasks like transferring data between memory and disks or rendering output onto a display device.

  3. Application software - Wikipedia

    en.wikipedia.org/wiki/Application_software

    Application software is any computer program that is intended for end-user use – not operating, administering or programming the computer. An application (app, application program, software application) is any program that can be categorized as application software.

  4. Software - Wikipedia

    en.wikipedia.org/wiki/Software

    The integrated circuit is an essential invention to produce modern software systems. [2]The first use of the word software is credited to mathematician John Wilder Tukey in 1958. [3]

  5. Unix - Wikipedia

    en.wikipedia.org/wiki/Unix

    Developer: Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna at Bell Labs: Written in: C and assembly language: OS family: Unix: Source model: Historically proprietary software, while some Unix projects (including BSD family and illumos) are open-source

  6. Network operating system - Wikipedia

    en.wikipedia.org/wiki/Network_operating_system

    A network operating system (NOS) is a specialized operating system for a network device such as a router, switch or firewall.. Historically operating systems with networking capabilities were described as network operating systems, because they allowed personal computers (PCs) to participate in computer networks and shared file and printer access within a local area network (LAN).

  7. Mac operating systems - Wikipedia

    en.wikipedia.org/wiki/Mac_operating_systems

    Mac OS 9 was released in 1999.. The classic Mac OS is the original Macintosh operating system introduced in 1984 alongside the first Macintosh and remained in primary use on Macs until Mac OS X in 2001.

  8. Personal computer - Wikipedia

    en.wikipedia.org/wiki/Personal_computer

    An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display and a keyboard (mouse not shown). A personal computer, often referred to as a PC or simply computer, is a computer designed for individual use. [1]

  9. ArcInfo - Wikipedia

    en.wikipedia.org/wiki/ArcInfo

    ArcInfo (formerly ARC/INFO) is a full-featured geographic information system produced by Esri, and is the highest level of licensing (and therefore functionality) in the ArcGIS Desktop product line.