Information and IT governance - What is an IS

3 important questions on Information and IT governance - What is an IS

What are strategic information systems?

Decisions: concering long term, rather incidental and irregular character, much uncertainty and or risk

Required information: very hard to determine, dependent of individual, highly less structured and occurs particularly in company's environment

Examples:
Executive Support Systems (ESS)
Data warehousing, OLAP, data mining, web mining

What are the components of an ESS

Executive Support Systems
- communication and calculations on strategic level
- input: external and internal aggregated data
- processing: graphical, simulation, interactive
- output: projections, answer to queries
- users: top-level managers, board of directors

Which additional types of IS are there?

Office Automation Systems (OAS)
- office automation
- text processing, voicemail, email, video conferencing

Knowledge Work Systems (KWS)
- specialized systems for scientists, engineers, analysts, and other knowledge workers to obtain new knowledge
- compuer-aided design, cirtual reality systems, stability calculations

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