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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,

Business Process Elements: Activities

Create professional business process diagrams using ConceptDraw Activities library with 34 objects from BPMN.
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How to Create an AWS Architecture Diagram

Displaying an Amazon Web Service (AWS) cloud actually requires large amounts of attention to detail. Every element of technology has to be addressed: software, middle ware, transaction processing, scaling, data storage; the complete list is staggering. Using the ConceptDraw AWS Architecture Diagrams solution makes much easier the work on documenting the Amazon Web Service architecture. The ConceptDraw AWS Architecture Diagrams solution includes icons, sample and templates for some Amazon Web Services products and resources, to be used when buiding architecture diagrams. The icons are simple so that user can easily incorporate them in his drawings. AWS Architecture Diagrams can be used in presentations, datasheets, or any other technical visualizations.