11 bsc and diploma in computing and information systems ©2007 anjan k. lakhan school of business...
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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
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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