CAT / FIA FBT Syllabus C. Accounting And Reporting Systems, Controls - Features of Information Systems - Notes ^{6 / 6}

Executive Support Systems (ESS)

Pools data from internal and external sources and helps form a strategic picture.  Needs flexibility, the ability to provide a quick response and to analyse data.

Management Information Systems (MIS)

Converts mainly internal information and provides reports that enable managers to make appropriate decisions. Needs to support structured decisions, report on existing operations, internal focus and be relatively inflexible.

Decision Support System (DSS)

Combines data and analytical models or data analysis tools to support decision making. Needs flexibility, be user-friendly and offer alternatives.

Knowledge Work Systems (KWS) 

Integrate new knowledge into an organisation.

Office Automation Systems (OAS)

Designed to increase the productivity of data and information workers. These include email, word processing etc.

Transaction Processing Systems (TPS)

Performs and records routine transactions. For example, Sales orders, purchasing orders, payroll, registration etc.