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BSc and Diploma in Computing and Information Systems

©2007 ANJAN K. LAKHAN School of Business & Computer Science

All rights reservedManufactured in the Republic of Trinidad and Tobago

Information Systems: Foundations of e-business:CIS 108

Session #1

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LECTURER

•Anjan K. Lakhan

–Background

•Academic

–BSc CIS (Hons.)

–MBA

•Work Experience

–IT Professional (approx. 20 years)

–Teaching (approx. 6 years)

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SUBJECT

• What is it essentially about?

– The subject explores Information Systems from the viewpoint of a Business Professional

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AIMS

To provide a detailed analysis of relevant concepts and techniques at this level

To understand issues in deploying technology within the organisation and the role of IS for business

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OBJECTIVES

– To study business and technical

aspects of Information Systems

– To understand e-business

– To analyze case studies as a practical

example of the use of IS and e-business

– To be aware of Legal, Ethical issues

– To recognize IT is only an enabler to

business success

– To appreciate business innovation

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STUDY TIME

– Attend class sessions

– One day of reading for 25

weeks (minimum)

– 20 Hours for each Coursework

– Practice Past Paper Questions

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STUDY MATERIAL

• Study Guide

• Information

Systems:

Foundations of E-

Business 4th

Edition Steven

Alter

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EXAMINATION

– Written 3-hour Paper

•Answer FOUR out of SIX Questions

–Each question may carry up to 4 parts (a-d 25%)

–Define, Describe, What, Compare, Explain

»Content (Accurate & Concise)

»Literature (Does not rely only on Guide)

»Structure and Presentation

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LEARNING OBJECTIVES

• Information Systems

•Work Systems

•E-Business

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INFORMATION SYSTEMS

• What exactly is an Information System?

– One which is characterized by:

• People

• Computers

• Procedures

• To answer the question, we can start by using the term to refer to information and data handling activities

– Information handling is a purposeful activity sustained over time, and includes:

• Collecting

• Storing

• Retrieving

• Transmitting

• Displaying

• Manipulating

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WHAT IS AN INFORMATION SYSTEM?

• Information Technology: the hardware and software technologies with which ISs are built and operate

• Information System: a system that uses IT to capture, transmit, store, retrieve, manipulate or display information used in one or more Business Processes

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BUSINESS PROCESS

• a group of related steps or activities in which people use information and other resources to create value for internal and external customers

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WORK SYSTEMS

• a system in which human participants and/or machines perform a business process using information, technology and other resources to produce products and/or services for internal or external customers

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ROLES OF ISs WITHIN WORK SYSTEMS

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WORK SYSTEMS (BPs & ISs)

• Organization: a large number of business processes that cooperate to generate products within a business environment

• Business Environment: includes the organization itself and all else that affects its performance

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INTERRELATIONSHIPS

BusinessEnvironmentENV

FirmORG

BusinessProcessBP InformationSystemsIS InformationTechnologyIT

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E-BUSINESS

• the practice of performing and

coordinating critical business

processes such as designing products,

obtaining supplies, manufacturing,

selling, fulfilling orders, and providing

services through the extensive use of

computer and communication

technologies and computerized data

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ADVANTAGES OF E-BUSINESS

• REDUCE COSTS

• EXPEDITE OPERATIONS

• PROVIDE VALUE FOR CUSTOMERS

• COMPETITIVE SUCCESS

2020

SYSTEM CONCEPTS

INPUT OUTPUTPROCESS

FEEDBACK

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SYSTEM CONCEPTS

INPUT OUTPUTPROCESS

FEEDBACK

INFORMATION SYSTEMINFORMATION SYSTEM

BUSINESS ENVIRONMENTBUSINESS ENVIRONMENT

Customers Customers SuppliersSuppliers

Regulatory Stockholders Regulatory Stockholders CompetitorsCompetitorsAgenciesAgencies

ORGANIZATIONORGANIZATION

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AMAZON.COM

• Depend on IT advances, create new type of business.

• Provided threat to conventional bookstores.

• From business viewpoint, the story of Amazon.com is not about technology. It is about applying IT in order to do business differently.

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WORK SYSTEM FRAMEWORK(Work Centred Analysis)

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WORK SYSTEM FRAMEWORK

• Help a business professional to understand a BP in order to decide whether an IS needs to be created or improved.

• Centres on the work being performed by BP, and not on the IS itself, or on the technology that underlines the IS.

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WSF – AMAZON.COM

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A FIRM AS A SYSTEM CONSISTING OF SUB-SYSTEMS

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END OF LECTURE

•Topics Covered

–Information Systems

–Work Systems

–E-Business