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Describes the following types of systems and gives some examples as well. - Transaction Processing Systems or TPS - Office Automation Systems or OAS - Knowledge Work Systems or KWS - Decision Support System or DSS - Executive Support Systems or ESS - Group Decision Support Systems or GDSS
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Types of IT Systems By Serafin Gonzalez
Transaction Processing System A transaction process system (TPS) is an
information processing system for business transactions involving the collection, modification and retrieval of all transaction data. Characteristics of a TPS include performance, reliability and consistency.
TPS is also known as transaction processing or real-time processing.
Where is it used? SHOPS WHICH DEAL WITH SALE AND
PURCHASE OF PRODUCTS. RETAIL SHOPS COFFEE SHOPS SUPERMARKETS BANKS
Examples Hewlett-Packard NonStop System Transarc Encina ATM’s Airline Reservation Systems
Office Automation SystemsOffice automation system is an information system which is computer based that collects, processes, stores and transmits electronic messages. Word processing, document imaging or calendar are some of the applications used in the office automation systems.
Where is it used? Inside the office (Everyone)
i.e. Sending messages through departments
Examples Electronic publishing
MS Word Electronic communication
Email, Fax Electronic collaboration
Teleconferencing Image processing
MS PowerPoint Office management
Electronic scheduling, office accessories
Knowledge Work SystemsKnowledge work systems aid knowledge workers. In general, knowledge workers are people who hold formal university degrees and who are often members of a recognized profession, like engineers, doctors, lawyers, and science. Their jobs consist primarily of creating new information and knowledge.
Where is it used? Law Firms Science Labs Universities which take research
seriously Engineering Firms
Examples Computer-design system used by
Odense Shipyards PH stat Mycin
Decision Support SystemsA Decision Support System, as an entity, generally refers to a grouping of integrated and unified computer programs applied to provide nearly instantaneous, interactive, and managerial level mental processes support. It most likely includes strong relational data base management (RDBMS) capability for access to key company data kept on the mainframe computer. A DSS usually supports a form of alternatives development and selection. Today, emphasis is more on planning for the future rather than management control of the existing situation and on bringing more logic and structure to the normally haphazard managerial decision-making processes
Where is it used? In large companies
Managers who need data in order to make a critical decision in operations.
Examples IT systems which give you
manufacturing data IT systems which give you sales data IT systems which help marketing
researches
Executive Support Systemsit is making short out of information which is given by the lower level managers and interpret into their organisation. To improve the quality of decision making process among executives.
Where is it used? Executive/Top management Level of the
companies
Examples Cambridge Systematic Typically each company has their own
modifications of this system based on the liking of their management.
Group Decision Support System Group decision support system (GDSS) technology supports project collaboration through the enhancement of digital communication with various tools and resources. These types of programs are used to support customized projects requiring group work, input to a group and various types of meeting protocols.
Where is it used? GDSS proponents claim that these sorts
of technologies can advance the promotion of participation, help to streamline group communications and foster learning
Companies who focus on group projects
Examples ThinkTank MeetingWorks
References http://www.ask.com/question/office-auto
mation-system-definition
http://www.techopedia.com/definition/707/transaction-process-system-tps
http://wiki.answers.com/Q/Definition_of_knowledge_work_system?#slide=17
http://www.optants.com/tutor/ksstools.htm