Name: Ruth Ann S. Basnillo                                                                             

Section: O0C

Book: Systems Analysis and Design Fifth Edition

Authors: Kenneth Kendall

               Julie Kendall

Reference No.: QA 76.9 S88 K45 2002

Chapter: One

Quote:

Review:

Information Systems

      Information System is a generic reference to any computer based system which is a combination of hardware, procedures, software, people, and data that provides information and data processing. It is developed for different purposes depending on the business’ needs and fall into one of the following categories: (A) Transaction Processing Systems (TPS) developed to produce larger volumes of data for routine business transactions; (B) Office Automation Systems (OAS) which manipulate information before sharing it throughout the organization. With it is the Knowledge Work Systems (KWS) which help professional workers to develop new knowledge and allow it to contribute it to their organization; (C) Management Information Systems ( MIS), which are computerized information system that support a broader range of organizational tasks than Transaction Processing  Systems; (D) Decision Support Systems (DSS) which belong to the higher level class, emphasizes the support in decision making in all its phases; (E) Artificial Intelligence (AI) which avenues of research fall on understanding with natural language and analyzing the ability to reason. With it is Expert Systems that belongs to a very special class of IS that use the approaches of AI reasoning to solve problems put to them; (F) Group Decision Support Systems (GDSS) which allow group members to interact and help to facilitate group problem solving; (G)  Computer Supported Collaborative Work ( CSCW) meanwhile is the more general term which includes “groupware” for team collaboration via networked computers; and (H) Executive Support Systems (ESS) which help executives organize their interactions with the external environment and make strategic decisions.