introduction to information systems: whiteley palgrave chapter 1 information systems

1
introduction to information systems whiteley /
palgrave chapter 1 information systems
Information Systems
2
introduction to information systems whiteley /
palgrave chapter 1 information systems

• An Information Systems (IS) is
• the business application of the computer.
• The Information System
• Processes business transactions, and
• Provides management information

3
introduction to information systems whiteley /
palgrave chapter 1 information systems

• Example information system Payroll
• Input data employee details and rates of pay.
• Output transactions bank transactions,
  payslips, etc.
• Management Informationpayroll costs by
  department, etc.

4
introduction to information systems whiteley /
palgrave chapter 1 information systems

• Example information system Order Processing
• Input transaction customer order.
• Standing datacustomer and product data.
• Output transactions delivery note, invoice,
  etc.
• Management Informationsales analysis, etc.

5
introduction to information systems whiteley /
palgrave chapter 1 information systems

• Organisational IS
• Corporate ISlarge system(s) central to the core
  activity of the organisation.e.g. supermarket
  sales and stock replenishment.
• Additional (departmental) IS

• Marketing
• Accounts
• Customer complaints
• Etc.

6
Example IT Infrastructure a supermarket
Intro to IS Chap 1
7
introduction to information systems whiteley /
palgrave chapter 1 information systems

• The study of IS encompasses
•  
• The application and effect of IS within
  organisations

• The Business Context of IS (Part II).
• Business application and use of IS (Part III).
• Information Technology for IS (Part IV).
• Legal, Social and Ethical Implications of IS
  (Part VI)

• The analysis, design and implementation of IS
  (Part V).
• These topics are covered by your course text as
  indicated above.

8
introduction to information systems whiteley /
palgrave chapter 1 information systems
The IS Function in an Organisation
9
introduction to information systems whiteley /
palgrave chapter 1 information systems
The System Development Lifecycle