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A four level pyramid model of different types of Information Systems based on the different levels of hierarchy in an organization. The first level represents transaction processing systems for workers. The second level represents management information systems for middle managers. The third level represents decision support systems for senior menegers. The fourth level represents executive information systems for executives.
"The "classic" view of Information systems found in the textbooks in the 1980s was of a pyramid of systems that reflected the hierarchy of the organization, usually transaction processing systems at the bottom of the pyramid, followed by management information systems, decision support systems, and ending with executive information systems at the top. Although the pyramid model remains useful, since it was first formulated a number of new technologies have been developed and new categories of information systems have emerged, some of which no longer fit easily into the original pyramid model.
Some examples of such systems are:
data warehouses,
enterprise resource planning,
enterprise systems,
expert systems,
search engines,
geographic information system,
global information system,
office automation." [Information systems. Wikipedia]
This diagram was redesigned using the ConceptDraw PRO diagramming and vector drawing software from Wikimedia Commons file Four-Level-Pyramid-model.png. [commons.wikimedia.org/ wiki/ File:Four-Level-Pyramid-model.png]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. [creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
The triangle chart example "Information systems types" is included in the Pyramid Diagrams solution from the Marketing area of ConceptDraw Solution Park.
Pyramid diagram
Pyramid diagram, pyramid, triangle,

management diagram, management mind map Management Area

management diagram, management mind map
The solutions from Management area of ConceptDraw Solution Park collect templates, samples and libraries of vector stencils for drawing the management diagrams and mind maps.

organizational chart, org chart Organizational Charts

organizational chart, org chart
Organizational Charts solution extends ConceptDraw PRO software with samples, templates and library of vector stencils for drawing the org charts.

organizational chart examples, business organizational chart, organogram, organigram, organizational structure , corporate hierarchy, organizational structure chart, organizational management , org chart maker, how to make an organizational chart, busines 25 Typical Orgcharts

organizational chart examples, business organizational chart, organogram, organigram, organizational structure , corporate hierarchy, organizational structure chart, organizational management , org chart maker, how to make an organizational chart, busines
The 25 Typical Orgcharts solution contains powerful organizational structure and organizational management drawing tools, a variety of professionally designed organization chart and matrix organization structure samples, 25 templates based on various orga