1. Indira Gandhi National Open University presents

2. A video Lecture Course: System Analysis

3. SYSTEM INVESTIGATION

4. b what is system investigation ? It is another term for requirement analysis requirement analysis

5. WHAT IS REQUIREMENT ANALYSIS? b analysis of the needs of the user b study of the current system b wish list

6. IMPORTANCE OF REQUIREMENT ANALYSIS b A builder builds a house only after studying the land and it’s laws...

7. IMPORTANCE OF REQUIREMENT ANALYSIS b A doctor operates only after proper diagnosis and a battery of tests...

8. SUCCESSFUL PROJECT TEAMS SPEND.. b 50 % of time & effort on analysis b 30 % of time & effort on design b 20 % of time & effort on development

9. YOU HAVE TO BE …. b … a detective to dig out potential and existing problems...

10. YOU HAVE TO BE... b A charmer able to deflect antagonism

11. ASKING QUESTIONS... b Whom to ask ? b What information to seek ? b Why is it required ? b When to ask ? b Where to ask ?

12. WHOM TO ASK ? b should we question the chairman or the marketing manager or the security guard ?

13. ORGANISATIONAL CHART

14. NEUMANN-HADASS MODEL STRATEGIC PLANNING (SENIOR MGMT) MGMT. CONTROL (MIDDLE MGMT) OPERATIONS CONTROL (JUNIOR MGMT)

15. WHOM TO ASK ? b preparing a bill - junior management b discounts to customers - middle management b customer profile for next 5 years - senior management

16. WHAT INFORMATION TO SEEK ? b each system has 8 basic characteristics which we have to study

17. SYSTEM CHARACTERISTICS b goals - purpose of the system b Inputs - resources used b outputs - results achieved b boundaries - scope of the system

18. SYSTEM CHARACTERISTICS b environment - external factors b components - processing details b interrelations - links b constraints - limitations

19. SYSTEM CHARACTERISTICS PAYROLL PROCESSING Attendance Leave Tax Payslips PF

20. SYSTEM CHARACTERISTICS b Goals - printing payslips b Inputs - attendance, leave details b Outputs - payslips, PF register b Boundaries - payroll processing department

21. SYSTEM CHARACTERISTICS b Environment - tax laws b Components & Interrelations - payroll processing programs b Constraints - inputs available only 2 days before processing

22. WHY IS THAT REQUIRED ? b crux of system investigation b not to accept anything at face value b spirit of inquiry

23. CHECKING FOR REDUNDANCY PO Finance Receiving Stores Customer Purchase Records (2)

24. WHEN ASKING WHY, REMEMBER b you will not be popular b you will have to dig deeper and find real reasons

25. Indira Gandhi National Open University presents

26. A Video Lecture Course: Data Structure & Algorithms

27. Presenter Alka Joglekar

28. Set Raghav Mishra Carpenter Gopal Mehto Kanwar Singh

29. Audio Rajendar Pal Video Recording Jai Prakash

30. Vision Mixer Neena Jain Makeup Sunita Chhabra

31. Camera Deepak Sharma Assistance in Production Sanjeev Katoch

32. Producer Yogesh Kumar

33. An EMPC Indira Gandhi National Open University presentation -1999

34. ASKING QUESTIONS... b When to ask ? b Where to ask ?

35. GROUND RULES b make an appointment else you will look unprofessional & rude b unplanned meeting implies unprepared user b ensure that the user has enough time for you

36. GROUND RULES b user’s work place access to documents access to documents home ground home ground b neutral meeting ground

37. MISSING QUESTION... b HOW is the work done ?

38. WHY MISSING ? b concerned with reasons and not methods b vital to distinguish between data and methods

39. USERS ARE MOST IMPORTANT b State-of-the-art systems but useless b Identify all end users b Accurate & complete organizational chart b classify end users