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  2. Information system - Wikipedia

    en.wikipedia.org/wiki/Information_system

    An information system is a form of communication system in which data represent and are processed as a form of social memory. An information system can also be considered a semi-formal language which supports human decision making and action. Information systems are the primary focus of study for organizational informatics. [22]

  3. Management information system - Wikipedia

    en.wikipedia.org/wiki/Management_information_system

    Executive information system (EIS) is a reporting tool that provides quick access to summarized reports coming from all company levels and departments such as accounting, human resources and operations. Marketing information systems are management Information Systems designed specifically for managing the marketing aspects of the business.

  4. Enterprise information system - Wikipedia

    en.wikipedia.org/wiki/Enterprise_information_system

    An enterprise information system provides a single system that is central to the organization that ensures information can be shared across all functional levels and management hierarchies. An EIS can be used to increase business productivity and reduce service cycles, product development cycles and marketing life cycles. [ 1 ]

  5. High- and low-level - Wikipedia

    en.wikipedia.org/wiki/High-_and_low-level

    Physics of water and gas molecules is a low-level description of the same system. The instruction "write a creative poem on love" is a high-level instruction. The instruction "tighten the tendons in the dominant wrist to grip the pen" is a low-level description of an activity within that.

  6. Information technology - Wikipedia

    en.wikipedia.org/wiki/Information_technology

    An information technology system (IT system) is generally an information system, a communications system, or, more specifically speaking, a computer system — including all hardware, software, and peripheral equipment — operated by a limited group of IT users, and an IT project usually refers to the commissioning and implementation of an IT ...

  7. Classified information in the United States - Wikipedia

    en.wikipedia.org/wiki/Classified_information_in...

    Finally, information at one level of classification may be "upgraded by aggregation" to a higher level. For example, a specific technical capability of a weapons system might be classified Secret, but the aggregation of all technical capabilities of the system into a single document could be deemed Top Secret.

  8. Executive information system - Wikipedia

    en.wikipedia.org/wiki/Executive_information_system

    An executive information system (EIS), also known as an executive support system (ESS), [1] is a type of management support system that facilitates and supports senior executive information and decision-making needs. It provides easy access to internal and external information relevant to organizational goals.

  9. Security modes - Wikipedia

    en.wikipedia.org/wiki/Security_modes

    Generally, security modes refer to information systems security modes of operations used in mandatory access control (MAC) systems. Often, these systems contain information at various levels of security classification.