Information Systems. System. A System is a collection of parts that work together to achieve a common goal. Information System. An Information System as a broad , Generic class of systems that Create, Process and Disseminate information.
They used to establish the Vision and the long term Goal of the organization.
Their Decisions rely heavily on Intuition, Judgments, and Experience.
Example- Predicting the impact on change in Global Economy.
They used to coordinate, Control, and Monitor Various activities and act as Liaison between Operational Managers and Top Management.
Example – Assessing the impact of different marketing strategies on Product sales.
They are responsible for the day to day Operations, activities and transactions of an Organization.
Example – Inventory Control
Personal Information Systems
Work Group Information Systems
Organization Wide Information Systems
These Supports the Information needs of individual decision makers for solving Structured, Semi Structured and Unstructured task.
Example- To Analyze market trends over the next five years.
Many important decisions in an Organization are made by a group of individuals.
Example- Launching New Product requires team effort and free sharing of information among group members.
Information Systems that provides comprehensive long term information about the entire organization
Example- If a Customer wants to know the status of His Order ?
Front-Office Information Systems support business functions that extend out to the organization’s customers (or constituents).
Back-officeinformation systems support internal business operations of an organization, as well as reach out to suppliers (of materials, equipment, supplies, and services).
Transaction Processing System
Management Information System
Decision Support System
Executive Support System
Office Automation System
Communication and Collaboration System
A Transaction Processing System (TPS) is an information system that captures and processes data about business transactions.
A Management Information System (MIS) is an information system that provides for management-oriented reporting based on transaction processing and operations of the organization.
A Decision Support System (DSS) is an information system that either helps to identify decision making opportunities or provides information to help make decisions.
An Executive Information System (EIS) is an information system designed for top-level managers that integrates data from all over the organization into “at-a-glance” graphical indicators and controls.
An expert system is an information system that captures the expertise of workers and then simulates that expertise to the benefit of nonexperts.
An Office Automation System is an information system that supports the wide range of business office activities that provide for improved work flow between workers.
A Communications And Collaboration system is an information system that enables more effective communications between workers, partners, customers, and suppliers to enhance their ability to collaborate.