Graphics Lectures

1. Information Systems
CS 507
Lecture 01

2. 2
• Businesses require decisions.
• Decisions require information.
• Nature of information varies
with the nature of business
and decision.
• Planning for business
requires information at
regular intervals.
Need for Information

3. • Newspapers
• Electronic Media
• Internet
• Other Sources
Sources of Information

4. 4
• Correctness of Information is
important for decision
making.
• Decisions related to products,
customers, employees, etc
are also affected by the
availability of the relevant
information.
Information & Decision Making

5. 5
• Easy Availability
• Timeliness
• Relevant to decision at hand
• Related to current business needs
Attributes of Information

6. • Role of Information in
Organization
 What is organization
 Types, structures, cultures
 Management Styles
 Information flows and
networks
Introduction to Course

7. • Introduction to Information Systems
 What are systems?
 A system is a group of elements
that are integrated with the
common purpose of achieving an
objective.
 What are information systems?
 Interrelated components working
together to collect, process, store
and disseminate information.
Introduction to Course

8. • Information Management and
Decision Making
 Introduction to decision
making
 Individual models of
decision making
 Organizational models of
decision making
Introduction to Course

9. • Ethical and Social Issues
 Responsibility &
Accountability
 Privacy & Freedom
 Maintaining Quality of IS
Introduction to Course

10. • Tools and Techniques for
System Analysis and Design
 Flowcharting
 Documenting decision
rules
 Structured analysis
 Structured design
Introduction to Course

11. • System Analysis and Design
System Development
Lifecycle – Structured
framework used to develop
information systems.
Introduction to Course

12. • Decision Support Systems
 Definition
 The system attempts to
automate several tasks in a
decision making process.
 Relevant concepts
 Group decision making tools
Introduction to Course

13. • Expert Systems
A system specialised to
express the knowledge of
human experts.
 Knowledge Management
 Other Intelligence
Techniques
Introduction to Course

14. • Controlling Information
 System Controls
 Auditing IS
Introduction to Course

15. • System success and failure
 Causes of success &
failure
 Managing implementation
Introduction to Course

16. • Managing information
systems
 Security Issues
 Global Information
Systems
Introduction to Course

17. Information Systems
Lecture 01