System Analysis and Design

for systems analysts (3) Data flow diagrams 3 case study for use of DFD, good conventions 3 leveling of DFDs 3 leveling rules 3 logical and physical DFDs 3 software tools to create DFDs Module 6: Structured systems analysis and design (3) Procedure specifications in structured English 3 examples and cases 3 decision tables for complex logical specifications 3 specification oriented design vs procedure oriented design Module 7: Data oriented systems design (3) Entity relationship model 3 E-R diagrams 3 relationships cardinality and participation 3 normalizing relations 3 various normal forms and their need 3 some examples of relational data base design. Module 8: Data input methods (3) Coding techniques 3 requirements of coding schemes 3 error detection of codes 3 validating input data 3 input data controls interactive data input Module 9: Designing outputs (2) Output devices 3 designing output reports 3 screen design 3 graphical user interfaces 3 interactive I/O on terminals. System Analysis and Design Syllabus V.Rajaraman/IISc, Bangalore V1/1-6-04/2 Module 10: Object oriented systems modeling (4) What are objects?<br><br> 3 Why objects? 3 Objects and their properties 3 classes 3 inheritance 3 polymorphism 3 how to identify objects in an application 3 how to model systems using objects 3 some cases of object oriented system modeling Module 11: Control 3 audit and security of information systems (4) Audit and security of information systems 3 why controls are needed 3 objectives of control 3 techniques used in control 3 auditing information systems 3 auditing around, through and with the computer 3 testing information systems 3 types of tests 3 how to generate tests 3 security of information systems 3 disaster recovery 3 business process continuity Module 12: Systems analysis and design in the era of electronic commerce (3) B2B, B2C and C2C e-commerce 3 advantages and disadvantages of e-commerce. E- commerce system architecture 3 physical networks, logical network, World Wide Web, web-services 3 html, XML.<br><br> Module 13: Electronic data interchange (2) EDI standards 3 virtual private networks 3 XML and EDI. Module 14: Security of e-commerce transactions, firewalls (3) Encryption methods 3 symmetric and asymmetric encryption 3 digital signature 3 certifying authorities for signatures 3 legal status of e-commerce transactions Module 15: Payment systems in e-commerce (2) Cheque payment, credit card payments, e-cash payments. Module 16: Complete system analysis and design case studies (5) A system for journal acquisition in libraries 3 walk through the entire life cycle System Analysis and Design Syllabus V.Rajaraman/IISc, Bangalore V1/1-6-04/3 Lecture Plan Modules Learning Units Hours per topic Total Hours 1.<br><br> Types of information: operational, tactical, strategic and statutory 0.5 2. Why do we need information systems, management structure, requirements of information at different levels of management 1 3. Functional allocation of management, requirements of information for various functions 1 1.<br><br> Data and Information 4. Qualities of information 3 small case study 0.5 3 5. Systems Analysis and Design life Cycle: Requirements determination, requirements specifications 1 6.<br><br> Feasibility analysis, final specifications, hardware and software study, system design, system implementation, system evaluation, system modification. 1 2. Systems Analysis and Design Life Cycle 7.<br><br> Role of systems analyst 3 attributes of a systems analyst 3 tools used in system analysis 1 3 8. Information gathering, strategies, methods 1 3. Information gathering 9.<br><br> Case study/documenting study, system requirements specification, from narratives of requirements to classification of requirements as strategic, tactical, operational and statutory. Example case study 2 3 10. How to formulate project goals and quantify them 1 11.<br><br> Examining alternative solutions and evaluating proposed solutions a) Technical feasibility b) Operational feasibility c) Economic feasibility 1 4. Feasibility analysis 12. Cost benefit analysis, Documenting feasibility report 1 3 13.<br><br> Developing Data Flow Diagrams (DFD) a) What are DFDs? b) Symbols used in DFD c) Rules of data flow d) Good style in drawing DFD 1.5 14. Describing systems with DFD & Leveling DFD 1 5.<br><br> Tools for systems analysts 15. Logical & Physical DFDs 0.5 3 System Analysis and Design Syllabus V.Rajaraman/IISc, Bangalore V1/1-6-04/4 16. Structured English specification 1 17.<br><br> Decision table based specification 1 18. Detecting 19. Incompleteness 20.<br><br> Ambiguity 21. Contradictions 22. Redundancy 23.<br><br> in decision table specification 1 24. Eliminating redundancy in specifications 1 6. Structured systems analysis and design 25.<br><br> Decision trees for specification 0.5 4.5 26. Entity-relationship (E-R) modeling 27. of data elements of an application 1 28.<br><br> Organization of data as relations 0.5 29. Normalization of relations 1 30. Creation of logical relational database 1 31.<br><br> Objectives of database management system (DBMS) 1 7. Data oriented systems design 32. Overview of DBMS 0.5 5 33.<br><br> Data input methods, coding techniques, requirements of coding schemes 1 34. Error detection of codes, validating input data 1 8. Data input methods 35.<br><br> Input data controls interactive data input 1 3 36. Designing outputs, output devices, designing output reports 1 9. Designing outputs 37.<br><br> Screen design, graphical user interfaces, Interactive I/O on terminals. 1 2 38. Object oriented systems modeling 0.5 39.<br><br> What are objects? Why objects? 0.5 40.<br><br> Objects and their properties, classes, inheritance, polymorphism 1 41. How to identify objects in an application, how to model systems using objects 1 10. Object oriented systems modeling 42.<br><br> Some cases of object oriented system modeling 1 4 43. Control, audit and security of information system 0.5 44. Why controls are needed, objectives of control, techniques used in control 0.5 45.<br><br> Auditing information systems, auditing around, through and with the computer 1 11. Control- audit and security of information systems 46. Testing information systems, types of tests, how to generate tests 1 4 System Analysis and Design Syllabus V.Rajaraman/IISc, Bangalore V1/1-6-04/5 47.<br><br> Security of information systems, disaster recovery, business process continuity 1 48. Systems analysis and design in the era of electronic commerce 0.5 49. B2B, B2C and C2C e-commerce, advantages and disadvantages of e-commerce.<br><br> 0.5 50. E-commerce system architecture 1 12. Systems analysis and design in the era of electronic commerce 51.<br><br> Physical networks, logical network, world wide web, web-services 3 html, XML 2 4 52. Electronic data interchange, EDI standards 1 13. Electronic data interchange 53.<br><br> Virtual private networks 3 XML and EDI. 1 2 54. Security of e-commerce transactions, firewalls, encryption methods, symmetric and asymmetric encryption, 1.5 14.<br><br> Security of e- commerce transactions, firewalls 55. Digital signature, certifying authorities for signatures, legal status of e-commerce transactions 1.5 3 15. Payment systems in e- commerce 56.<br><br> Payment systems in e-commerce, cheque payment, credit card payments, e-cash payments. 2 2 16. Complete system analysis and design case studies 57.<br><br> Complete system analysis and design case studies, a system for journal acquisition in libraries, walk through the entire life cycle 5 5

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