1. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 1 An Introduction to Information Systems Chapter 1

2. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 2 Principles and Learning Objectives The value of information is directly linked to how it helps decision makers achieve the organization’s goals. –Distinguish data from information and describe the characteristics used to evaluate the quality of data.

3. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 3 Principles and Learning Objectives Models, computers, and information systems are constantly making it possible for organizations to improve the way they conduct business. –Name the components of an information system and describe several system characteristics. –Identify four basic types of models and explain how they are used.

4. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 4 Principles and Learning Objectives Knowing the potential impact of information systems and having the ability to put this knowledge to work can result in a successful personal career, organizations that reach their goals, and a society with a higher quality of life. –Identify the basic types of business information systems and discuss who uses them, how they are used, and what kinds of benefits they deliver.

5. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 5 Principles and Learning Objectives System users, business managers, and information systems professionals must work together to build a successful information system. –Identify the major steps of the systems development process and state the goal of each. –Discuss why it is important to study and understand information systems.

6. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 6 Information Concepts

7. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 7 Information System A set of interrelated components that collect, manipulate, and disseminate data and information, and provide feedback to meet an objective Examples: ATMs, airline reservation systems, course reservation systems

8. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 8 Data vs. Information Data: raw facts Information: collection of facts organized in such a way that they have value beyond the facts themselves

9. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 9 Types of Data

10. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 10 Data vs. Information

11. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 11 The Characteristics of Valuable Information

12. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 12 The Characteristics of Valuable Information

13. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 13 The Characteristics of Valuable Information

14. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 14 System and Modeling Concepts

15. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 15 System A set of elements or components that interact to accomplish goals Input Processing mechanism Feedback Output System boundary

16. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 16 Components of a System

17. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 17 System and Modeling Concepts

18. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 18 System Performance and Standards Efficiency: output/input Effectiveness: extent to which system attains its goals Performance standard: specific objective of a system

19. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 19 System Variables and Parameters System variable - item controlled by decision- maker System parameter - value that cannot be controlled

20. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 20 Systems Classification

21. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 21 System Performance and Standards

22. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 22 Modeling a System

23. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 23 Modeling a System A model is an abstraction that is used to represent reality –4 major types of models A narrative model is based on words –Logical, not physical A physical model is tangible A schematic model is a graphic representation –Graphs and charts A mathematical model is an arithmetic representation

24. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 24 What Is An Information System?

25. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 25 Components of an Information System

26. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 26 Computer-Based Information Systems (CBIS)

27. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 27 Components of a CBIS

28. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 28 Telecommunications, Networks, and the Internet

29. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 29 Telecommunications, Networks, and the Internet

30. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 30 Business Information Systems

31. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 31 Business Information Systems Electronic Commerce Transaction Processing Systems Management Information Systems Decision Support Systems

32. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 32 E-Commerce Business-to-business Business-to-consumer Business-to-government Government-to-consumer

33. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 33 Electronic Commerce

34. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 34 Transaction Processing Systems A transaction processing system (TPS) is an organized collection of people, procedures, software, databases, and devices used to record completed business transactions. Process business exchanges Maintain records about the exchanges Handle routine, yet critical, tasks Perform simple calculations

35. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 35 Payroll Transaction Processing System

36. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 36 Enterprise Resource Planning (ERP) Integrated programs that can manage a company’s entire set of business operations Often coordinate planning, inventory control, production, and ordering

37. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 37 Management Information Systems (MIS) Routine information for routine decisions Operational efficiency Use transaction data as main input Databases integrate MIS in different functional areas

38. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 38 Management Information Systems (MIS)

39. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 39 MIS Outputs Scheduled reports Demand reports Exception reports

40. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 40 Decision Support Systems (DSS) DSS- A decision support system is an organized collection of people, procedures, software, databases, and devices used to support problem-specific decision making. –Interactive support for non-routine decisions or problems –End-users are more involved in creating a DSS than an MIS

41. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 41 Essential DSS Elements

42. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 42 Special-Purpose Business Information Systems Artificial Intelligence (AI) Systems Virtual Reality Systems Expert Systems Other Special-Purpose Business Information Systems

43. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 43 The Major Elements of Artificial Intelligence

44. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 44 Virtual Reality

45. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 45 Data Glove

46. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 46 Systems Development

47. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 47 Why Learn About Information Systems? Advance in your career Solve problems Realize opportunities Meet your career goals

48. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 48 Computer and Information System Literacy Computer literacy - knowledge of computer systems and equipment Information system literacy - knowledge of how data and information are used

49. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 49 Information Systems in Functional Areas of Business Finance and Accounting Sales and Marketing Manufacturing

50. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 50 Information Systems in Industry Investment firms Banks Publishing companies Healthcare organizations Management consulting firms

51. MSIS 110: Introduction to Computers; Instructor: S. Mathiyalakan 51 Summary Data - raw facts Information - data transformed into a meaningful form System - set of elements that interact to accomplish a goal Systems development - creating or modifying existing business systems