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  2. Distributed Interactive Simulation - Wikipedia

    en.wikipedia.org/wiki/Distributed_Interactive...

    Distributed Interactive Simulation (DIS) is an IEEE standard for conducting real-time platform-level wargaming across multiple host computers and is used worldwide, especially by military organizations but also by other agencies such as those involved in space exploration and medicine.

  3. Remote procedure call - Wikipedia

    en.wikipedia.org/wiki/Remote_procedure_call

    In distributed computing, a remote procedure call (RPC) is when a computer program causes a procedure (subroutine) to execute in a different address space (commonly on another computer on a shared computer network), which is written as if it were a normal (local) procedure call, without the programmer explicitly writing the details for the remote interaction.

  4. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    If communication was interrupted due to a loss of a signal, the taxi driver asked the base station operator to repeat the message on a different frequency. In a cellular system, as the distributed mobile transceivers move from cell to cell during an ongoing continuous communication, switching from one cell frequency to a different cell ...

  5. SCADA - Wikipedia

    en.wikipedia.org/wiki/SCADA

    In smaller SCADA systems, the supervisory computer may be composed of a single PC, in which case the HMI is a part of this computer. In larger SCADA systems, the master station may include several HMIs hosted on client computers, multiple servers for data acquisition, distributed software applications, and disaster recovery sites.

  6. Computer security - Wikipedia

    en.wikipedia.org/wiki/Computer_security

    An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that may result in unauthorized information disclosure, theft of (or damage to) hardware, software, or ...

  7. Human blood group systems - Wikipedia

    en.wikipedia.org/wiki/Human_blood_group_systems

    The term human blood group systems is defined by the International Society of Blood Transfusion (ISBT) as systems in the human species where cell-surface antigens—in particular, those on blood cells—are "controlled at a single gene locus or by two or more very closely linked homologous genes with little or no observable recombination between them", [1] and include the common ABO and Rh ...

  8. Utility pole - Wikipedia

    en.wikipedia.org/wiki/Utility_pole

    Distribution lines use two systems, either grounded-wye ("Y" on electrical schematics) or delta (Greek letter "Δ" on electrical schematics). A delta system requires only a conductor for each of the three phases. A grounded-wye system requires a fourth conductor, the neutral, whose source is the center of the "Y" and is grounded. However, "spur ...

  9. Three-tier system (alcohol distribution) - Wikipedia

    en.wikipedia.org/wiki/Three-tier_system_(alcohol...

    A different type of exception to the three-tier system existed in Oklahoma prior to October 2018, where laws historically mandated a four-tier system for package sales of beer of greater than 3.2% alcohol by weight (4.0% by volume). Brewers in that state were historically prohibited from selling to distributors; they instead were required to ...