Download Information Processes and Technology

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Information Processes and
Technology
Information Systems
Information Systems and Databases
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Information Systems
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Information Systems perform a set of information
processes requiring participants, data/information and
information technology. They perform the information
processes of collecting, organising, analysing,
storing/retrieving, processing, transmitting/receiving,
displaying.
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Characteristics of Information
Systems
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Organisation of data into information: Data must be
organised before it can be stored and analysed by the
information system.
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Analysis of information to give knowledge: Access to
information and the resulting knowledge is the purpose of an
information system.
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Types and purposes of information
systems
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Transaction processing systems: Collect, store, modify and
retrieve the daily transactions of an organisation.
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Decision support systems: Assist people to make decisions
by providing information, models and analysis tools.
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Expert systems: Provide information and solve problems that
would otherwise require a person experienced in that field.
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Types and purposes of information
systems
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Management information systems: Provides information
for the organisations managers. An MIS presents basic facts
about the performance of the organisation.
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Office automation systems: Provides people with effective
ways to complete administrative tasks in an organisation.
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Examples of database information
systems
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Most information systems store data in a database.
Information systems that use a database are called Database
information systems.
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A database is accessed by a Database management
systems (DBMS). A DBMS has data within it.