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