By Junaid Ashraf

Definition: The use of Internet technologies to work and empower

business processes, electronic commerce, and enterprise collaboration within a company and with its customers, suppliers, and other business stakeholders.

An online exchange of value. E-business refers to the use of digital technology and

the internet to execute the major business processes in the enterprise. E-business includes activities for internal management of the firm and for coordination with suppliers and other business partners.

Definition of e-commerce: E-commerce is the part of e-business that deal with the

buying, selling, marketing, and servicing of products and services , and information over a variety of computer networks

This includes advertising, sales, customer support on WWW, Internet security, payment mechanisms

Example:◦ e-commerce system include Internet for online transactions,◦ Extranet for access of inventory DB by large customers◦ Corporate intranets by sales rep. to access customer records for

CRM

Roles of e-Business in BusinessRoles of e-Business in Business

Figure 1:The role of e-business in business

Internet, Intranets & Extranets: Internet- is a global “network of networks” that uses

universal standards to connect million of different networks.

Intranets- is a internal corporate networks based on internet technology.

Extranets- is a private intranets extended to authorized users outside the organization.

Example:◦ e-commerce system include Internet for online transactions,◦ Extranet for access of inventory DB by large customers◦ Corporate intranets by sales rep. to access customer records for CRM

Operation support systems◦ Transaction Processing systems◦ Process Control systems◦ Enterprise collaboration systems

Management Support Systems◦ Management information systems◦ Decision Support systems◦ Executive information systems

Other Classification Of information Systems◦ Strategic information Systems◦ Knowledge management Systems◦ Experts systems◦ Functional business systems

Figure 2: Operational & Management classification of Information Systems

Figure 2.1: Major functions of Information System

Types of Information Systems (Contd.)

The Four Major Types of Information Systems

Types of Information Systems (Contd.)

Figure 2.2: Detail functionalities of Information System

Types of Information Systems (Contd.)A Symbolic Representation for a Payroll TPS

Figure 2.3: Transaction Processing System

Management Information Systems (MIS) (continued)

Types of Information Systems (Contd.)

Figure 2.4: Management Information System

Decision-Support Systems (DSS) (Continued)

Voyage-estimating decision-support system

Types of Information Systems (Contd.)

Figure 2.5: Decision Supprt System

Relationship of Systems to One Another

Interrelationships among systems

Types of Information Systems (Contd.)

Figure 2.6: Interrelationship among Systems

Figure 4: Challenges & opportunities faced in Information System Management

Information systems can be mismanaged and misapplied so that they create both technological and business fai lure.

 Top Five Reasons for Success  Top Five Reasons for Failure

 User involvement  Lack of user input

 Executive management support  Incomplete requirements and specifications

Clear statement of requirements  Changing requirements and specifications

Proper planning  Lack of executive support

Realistic expectations  Technological incompetence

Efficiency ◦ Minimize costs◦ Minimize time ◦ Minimize the use of information resources

Effectiveness ◦ Support an organization’s business strategies◦ Enable its business processes◦ Enhance its organizational structure and culture ◦ Increase the customer business value of the enterprise

Figure 4.1: IS development cycle

What uses of IT might be considered improper, irresponsible or harmful to the society as a whole?

What is the proper use of internet and an organization’s IT resources?

How can we protect from computer crimes and other risks of IT?

What does it take to be a responsible end user of IT?

Applicationsof IT

PotentialHarms

PotentialRisks

PossibleResponses

CustomerCustomerRelationshipRelationshipManagementManagement

HumanHumanResourcesResourcesManagementManagement

BusinessBusinessIntelligenceIntelligenceSystemsSystems

Infringe-Infringe-ments onments onPrivacyPrivacy

InaccurateInaccurateInformationInformation

CollusionCollusion

CustomerCustomerBoycottsBoycotts

WorkWorkStoppagesStoppages

GovernmentGovernmentInterventionIntervention

Codes ofCodes ofEthics Ethics

IncentivesIncentives

CertificationCertification

Figure 4.2: example of ethical challenges

Citibank problems with e-Mail Scams