UNIT I Introduction
System definition and concepts: Characteristics and types of system, Manual and automated systems
Real-life Business sub-systems: Production, Marketing, Personal, Material, Finance
Systems models types of models: Systems environment and boundaries, Realtime and distributed systems, Basic principles of successful systems
UNIT 2 Systems analyst
Role and need of systems analyst ,Qualifications and responsibilities ,Systems Analyst as and agent of change,
UNIT 3 System Development cycle
Introduction to systems development life cycle (SDLC) :
Various phases of development : Analysis, Design, Development, Implementation, Maintenance,
Systems documentation considerations: Principles of systems documentation ,
Types of documentation and their importance,Enforcing documentation discipline in an organization .
UNIT 4 System Planning
Data and fact gathering techniques: Interviews, Group communication, Presentations, Site visits.
Feasibility study and its importance, Types of feasibility reports, System Selection plan and proposal, Prototyping,
Cost-Benefit and analysis: Tools and techniques
UNIT 5. Systems Design and modeling
Process modeling, Logical and physical design, Design representation, Systems flowcharts and structured charts , Data flow diagrams , Common diagramming conventions and guidelines using DFD and ERD diagrams. Data
Modeling and systems analysis , Designing the internals: Program and Process design ,Designing Distributed Systems .
UNIT 6. Input and Output
Classification of forms: Input/output forms design, User-interface design, Graphical interfaces
UNIT 7. Modular
and structured design Module specifications ,Module coupling and cohesion , Top-down and bottomup design .
UNIT 8. System Implementation and Maintenance
Planning considerations, Conversion methods, producers and
controls, System acceptance Criteria, System evaluation and performance, Testing and validation, Systems qualify
Control and assurance, Maintenance activities and issues.
9. System Audit and Security Computer system as an expensive resource:
Data and Strong media
Procedures and norms for utilization of computer equipment, Audit of computer system usage, Audit trails,
Types of threats to computer system and control measures: Threat to computer system and control measures,
Disaster recovery and contingency planning
TEXTS BOOKS
1. System analysis and design – Elias M.Awad.
REFERENCES
1. System analysis and design –Perry Edwards
2. Analysis and design of information systems – James A.Senn