information system

Introduction
Components of information systems
- Computer hardware
- Computer software
- Telecommunications
- Databases and data warehouses
- Human resources and procedures
Types of information systems
- Operational support and enterprise systems
- Support of knowledge work
  - Professional support systems
  - Collaboration systems
  - Knowledge management systems
- Management support
  - Management reporting systems
  - Decision support systems and business intelligence
  - Executive information systems
Acquiring information systems and services
- Acquisition from external sources
- Internal information systems development
Managing information systems
- Information system infrastructure and architecture
- Organization of information services
Information systems security and control
- Information systems security
- Computer crime and abuse
- Information systems controls
- Securing information
- Information systems audit
Impacts of information systems
- Organizational impacts of information systems
- Information systems in the economy and society
- Information systems as a field of study

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structure of organizational information systems

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information system security measures

Structure of an information system

Figure 6: The life cycle of an information system.

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Also Known As	information retrieval system • information storage system • information storage and retrieval system

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taking a driver's license test on a computer

structure of organizational information systems

information system life cycle

information system security measures

Structure of an information system

Figure 6: The life cycle of an information system.

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