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# Lecture Name
Title: System Analysis and Design
Department: Computer Science and Engineering
Author: Prof. V. Rajaraman
University: IISc Bangalore
Type: WebLink
Abstract: Module 1
Data and Information Types of information: operational, tactical, strategic and statutory why do we need information systems management structure requirements of information at different levels of management functional allocation of management requirements of information for various functions qualities of information small case study (3 lectures)

Module 2
Systems Analysis and Design Life Cycle: Requirements determination requirements specifications feasibility analysis final specifications hardware and software study system design system implementation system evaluation system modification. Role of systems analyst attributes of a systems analyst tools used in system analysis (3 lectures)

Module 3
Information gathering strategies methods case study documenting study system requirements specification from narratives of requirements to classification of requirements as strategic, tactical, operational and statutory. Example case study (3 lectures)

Module 4
Feasibility analysis deciding project goals examining alternative solutions cost benefit analysis quantifications of costs and benefits payback period system proposal preparation for managements parts and documentation of a proposal tools for prototype creation (3 lectures)

Module 5
Tools for systems analysts data flow diagrams case study for use of DFD, good conventions leveling of DFDs leveling rules logical and physical DFDs software tools to create DFDs (3 lectures).

Module 6
Structured systems analysis and design procedure specifications in structured English examples and cases decision tables for complex logical specifications specification oriented design vs procedure oriented design (3 lectures)

Module 7
Data oriented systems design entity relationship model E'R diagrams relationships cardinality and participation normalizing relations various normal forms and their need some examples of relational data base design. (3 lectures)

Module 8
Data input methods coding techniques requirements of coding schemes error detection of codes validating input data input data controls interactive data input (3 lectures)

Module 9
Designing outputs output devices designing output reports screen design graphical user interfaces interactive I/O on terminals. (2 lectures)

Module 10
Object oriented systems modeling what are objects? why objects? objects and their properties classes inheritance polymorphism how to identify objects in an application how to model systems using objects some cases of object oriented system modeling (4 lectures)

Module 11
Control audit and security of information systems why controls are needed objectives of control techniques used in control auditing information systems auditing around, through and with the computer testing information systems types of tests how to generate tests security of information systems disaster recovery business process continuity (4 lectures).

Module 12
Systems analysis and design in the era of electronic commerce B2B, B2C and C2C e'commerce advantages and disadvantages of e'commerce. E'commerce system architecture physical networks, logical network, world wide web, web'services html, XML. (3 lectures)

Module 13
Electronic data interchange EDI standards virtual private networks XML and EDI. (2 lectures).

Module 14
Security of e'commerce transactions, firewalls encryption methods symmetric and asymmetric encryption digital signature certifying authorities for signatures legal status of e'commerce transactions (3 lectures)

Module 15
Payment systems in e'commerce cheque payment, credit card payments, e'cash payments. (2 lectures).

Module 16
Complete system analysis and design case studies a system for journal acquisition in libraries walk through the entire life cycle (5 lectures)
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