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Information System Essay

5398 words - 22 pages

Information systems
From Wikipedia, the free encyclopedia
Information system (IS) is the study of complementary networks of hardware and software (see information technology) that people and organizations use to collect, filter, process, create and distribute data.[1][2][3]
Information Systems encompasses a variety of disciplines such as: the analysis and design of systems, computer networking, information security, database management, and decision support systems. Information Management deals with the practical and theoretical problems of collecting and analyzing information in a business function area including business productivity tools, applications programming and implementation, ...view middle of the document...

Information systems are also different from business processes. Information systems help to control the performance of business processes.[21]
Alter[22][23] argues for advantages of viewing an information system as a special type of work system. A work system is a system in which humans and/or machines perform work (processes and activities) using resources to produce specific products and/or services for customers. An information system is a work system whose activities are devoted to processing (capturing, transmitting, storing, retrieving, manipulating and displaying) information.[24]
As such, information systems inter-relate with data systems on the one hand and activity systems on the other. An information system is a form of communication system in which data represent and are processed as a form of social memory. An information system can also be considered a semi-formal language which supports human decision making and action.
Information systems are the primary focus of study for organizational informatics.[25]
Contents [hide]
1 History
2 Overview
3 The discipline of information systems
4 The impact on economic models
5 Differentiating IS from related disciplines
6 Types of information systems
7 Information systems career pathways
8 Information systems development
9 Information systems research
10 Components
11 See also
12 References
13 Further reading
14 External links
History[edit]
The history of systems coincides with the history of computer science that began long before the modern discipline of computer science emerged in the twentieth century.[26] Regarding the circulation of information and ideas, numerous legacy information systems still exist today that are continuously updated to promote ethnographic approaches, to ensure data integrity, and to improve the social effectiveness & efficiency of the whole process.[13] In general, information systems are focused upon processing information within organizations, especially within business enterprises, and sharing the benefits with modern society.[27]
Overview[edit]
Silver et al. (1995) provided two views on IS that includes software, hardware, data, people, and procedures.[28] Zheng provided another system view of information system which also adds processes and essential system elements like environment, boundary, purpose, and interactions. The Association for Computing Machinery defines "Information systems specialists [as] focus[ing] on integrating information technology solutions and business processes to meet the information needs of businesses and other enterprises."[29]
There are various types of information systems, for example: transaction processing systems, decision support systems, knowledge management systems, learning management systems, database management systems, and office information systems. Critical to most information systems are information technologies, which are typically designed to enable humans to perform tasks for which the...

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