This document discusses different types of information systems used in businesses from functional and constituency perspectives. It describes enterprise resource planning (ERP) systems that integrate key business processes. Supply chain management (SCM), customer relationship management (CRM), and knowledge management systems (KMS) are discussed. The roles of intranets and extranets in sharing information internally and with suppliers/customers are also summarized.

1. Types of Information System

2. Order Fulfillment Process

3. How Information Technology enhances
Business Processes
Increasing the efficiency of existing processes
Enabling entirely new processes that are capable of
transforming the business

4. Types of Information Systems

5. Systems from a Functional Perspective
Sales and Marketing Systems
Manufacturing and Production Systems
Finance and Accounting Systems
Human Resources System

6. Systems from a Constituency
Perspective
Transaction Processing System
MIS and Decision Support System
Executive Support System

7. Interrelationships among Systems

8. Enterprise Application Architecture
Enterprise systems
SCM
CRM
KMS
Intranet and Extranet

9. ERP
ERP collects the data from various key business processes
It speed communication of information throughout the
company, making it easier for business to coordinate their
daily operations

10. How IS Facilitate SCM
Decide when and what to produce, Store and
move
Rapidly communicate orders
Track the status of orders
Check inventory availability
Reduce transportation and warehousing costs
Plan production based on actual customer
demand

11. Customer Relationship Management
(CRM)
Manages all ways used by firms to deal with
existing and potential new customers
Uses information system to coordinate entire
business processes of a firm

12. Provides end-to-end customer care
Provides a unified view of customer across
the company
Consolidates customer data from multiple
sources and provides analytical tools for
answering questions

13. Knowledge Management Systems
Creating knowledge
Discovering and codifying knowledge
Distributing knowledge

14. Intranet and Extranet
Intranet can be connected to internal company transactions
systems, enabling employees to take actions central to a
company’s operations
Extranets increases the flow of information between the firm
and its suppliers and customers

15. Terms
E-Business - Use of digital technology and the
internet to execute the major business
processes in the enterprise
E-Commerce – buying and selling of goods
and serves over the internet
E-Government – application of the internet
and networking technologies to digitally
enable government and public sector agencies
relationships with citizens

16. IS Function in Business
Information Systems Department
Organizing the Information Systems
Function