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  2. Information system - Wikipedia

    en.wikipedia.org/wiki/Information_system

    An information system ( IS) is a formal, sociotechnical, organizational system designed to collect, process, store, and distribute information. [ 1] From a sociotechnical perspective, information systems comprise four components: task, people, structure (or roles), and technology. [ 2] Information systems can be defined as an integration of ...

  3. Geographic information system - Wikipedia

    en.wikipedia.org/wiki/Geographic_Information_System

    A geographic information system ( GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data. [ 1][ 2] Much of this often happens within a spatial database; however, this is not essential to meet the definition of a GIS. [ 1] In a broader sense, one may consider such a ...

  4. Management information system - Wikipedia

    en.wikipedia.org/wiki/Management_information_system

    Management information system. A management information system (MIS) is an information system [ 1] used for decision-making, and for the coordination, control, analysis, and visualization of information in an organization. The study of the management information systems involves people, processes and technology in an organizational context.

  5. Operations support system - Wikipedia

    en.wikipedia.org/wiki/Operations_support_system

    Operations support systems ( OSS ), operational support systems in British usage, or Operation System ( OpS) in NTT [ 1], [ 2] are computer systems used by telecommunications service providers to manage their networks (e.g., telephone networks). They support management functions such as network inventory, service provisioning, network ...

  6. Information technology - Wikipedia

    en.wikipedia.org/wiki/Information_technology

    v. t. e. Information technology ( IT) is a set of related fields that encompass computer systems, software, programming languages, and data and information processing, and storage. [ 1] IT forms part of information and communications technology (ICT). [ 2] An information technology system ( IT system) is generally an information system, a ...

  7. Relational database - Wikipedia

    en.wikipedia.org/wiki/Relational_database

    Relational database. A relational database ( RDB[ 1]) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. [ 2] A database management system used to maintain relational databases is a relational database management system ( RDBMS ). Many relational database systems are equipped with the option of using SQL ...

  8. Schengen Information System - Wikipedia

    en.wikipedia.org/wiki/Schengen_Information_System

    The Schengen Information System (SIS) is a governmental database maintained by the European Commission. The SIS is used by 31 European countries to find information about individuals and entities for the purposes of national security, border control and law enforcement since 2001. A second technical version of this system, SIS II, went live on ...

  9. Open system (systems theory) - Wikipedia

    en.wikipedia.org/wiki/Open_system_(systems_theory)

    An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the concept. An open system is contrasted with the concept of an isolated system which exchanges neither energy, matter, nor ...