Foundation of Information System in Business

JE

What is an Information System?

• An I/S can be organized combination of people, H/W, S/W, Communications N/W and data resources that collects, transforms and disseminates information in an organization.

IT

• Computer based information system their use of :

• Computer H/W Technologies• Computer S/W Technologies• Telecomunications N/W Technologies• Data Resources Management

Technologies

The Fundamental Roles of IS in Business

• Major Roles of the business applications Systems

The Role of e-Business in Business

• Definition of e Business as the use of Intenet technologies to internetwork and empower business process, electronic commerce and enterprise collaboration within a company and its customers, suppliers and other business stakeholders

Trends in Information Systems

• 1950 – 1960 : Data Processing• 1960 – 1970 : Management Reporting• 1970 – 1980 : Decision Support• 1980 – 1990 : Strategic and End User

Support• 1990 – 2000 : Electronic Business and

Commerce

Operations and Management Classifications of Information Systems

Types of Information Systems

• Operations Support Systems:– Transactions processing systems– Process control systems– Enterprise collaboration systems

• Management Support Systems:– Management informations systems– DSS– EIS

Managerial Challenges of Information Technology

• Succes and Failure with IT• Developing IS Solutions• Challenges of Ethics and IT• Challenges of IT Carreers

Developing IS Solutions

• Investigate• Analyze• Design• Implement• Maintain

Section II: System Concepts: A Foundation

• A System is a group of interrelated components working together toward a common goal by accepting inputs and producing outputs in and organized transformation process

• 3 basic interacting components or functions:– Input– Processing– Output

Components of and Information System

Information System Resources

• People Resources• H/W Resources• S/W Resources• Data Resources• N/W Resources• Information Products

Information System Activities

• Input• Processing• Output• Storage• Control

Recognizing Information Systems

• Should be able to identify:– The people, H/W, S/W, data and N/W

resources– The types of informations products– The way to perform input, processing, output,

storage and control activities