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  2. Macintosh II - Wikipedia

    en.wikipedia.org/wiki/Macintosh_II

    Macintosh SE/30. The Macintosh II is a personal computer designed, manufactured, and sold by Apple Computer from March 1987 to January 1990. Based on the Motorola 68020 32-bit CPU, it is the first Macintosh supporting color graphics. When introduced, a basic system with monitor and 20 MB hard drive cost US$5,498 (equivalent to $14,750 in 2023).

  3. Active Directory Federation Services - Wikipedia

    en.wikipedia.org/wiki/Active_Directory...

    Active Directory Federation Services. Active Directory Federation Services (AD FS), a software component developed by Microsoft, can run on Windows Server operating systems to provide users with single sign-on access to systems and applications located across organizational boundaries. It uses a claims-based access-control authorization model ...

  4. Virtual representation - Wikipedia

    en.wikipedia.org/wiki/Virtual_representation

    Virtual representation was the idea that the members of Parliament, including the Lords and the Crown-in-Parliament, reserved the right to speak for the interests of all British subjects, rather than for the interests of only the district that elected them or for the regions in which they held peerages and spiritual sway. [1]

  5. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...

  6. Virtual displacement - Wikipedia

    en.wikipedia.org/wiki/Virtual_displacement

    The components of virtual displacement are related by a constraint equation. In analytical mechanics, a branch of applied mathematics and physics, a virtual displacement (or infinitesimal variation) shows how the mechanical system's trajectory can hypothetically (hence the term virtual) deviate very slightly from the actual trajectory of the ...

  7. Windows Server - Wikipedia

    en.wikipedia.org/wiki/Windows_Server

    Windows NT 3.1 Advanced Server was released on July 27, 1993 [citation needed] as an edition of Windows NT 3.1, an operating system aimed towards business and server use. As with its Workstation counterpart, Windows NT 3.1 Advanced Server was a 32 bit rewrite of the Windows kernel that retained a similar use interface to Windows 3.1.

  8. Virtuality (philosophy) - Wikipedia

    en.wikipedia.org/wiki/Virtuality_(philosophy)

    Deleuze used the term virtual to refer to an aspect of reality that is ideal, but nonetheless real. An example of this is the meaning, or sense, of a proposition that is not a material aspect of that proposition (whether written or spoken) but is nonetheless an attribute of that proposition. [2] In Bergsonism, Deleuze writes that "virtual" is ...

  9. Virtual reality headset - Wikipedia

    en.wikipedia.org/wiki/Virtual_reality_headset

    Virtual reality headset. A virtual reality headset (or VR headset) is a head-mounted device that uses 3D near-eye displays and positional tracking to provide a virtual reality environment for the user. VR headsets are widely used with VR video games, but they are also used in other applications, including simulators and trainers.