Introduction, Information In Organizations, Organization and Information Requirement, Organizational structure, Business Environment, Information System, Component of System, Types of System Infrastructure, Online Analytical Processing, CBIS from Functional View Point, Financial Sector Application Accounting & Financial Information Systems, Critical Decisions Making, Phases of decision-making process, Planning for System Development, Systems Development Life Cycle, System Design, Incremental Model, Spiral Model, System Analysis, Analysis & Design Methods, Symbols, DFD’s, Entity Relationship Diagram, Object Oriented Analysis and Design, Critical Success Factor, Security of Information System, Threat Identification, Control Adjustment, Viruses, Antivirus software Types of Controls, Audit trails and logs, Risk Management, Control Analysis, Business Continuity Planning, Web Security, Factors Encouraging Internet Attacks, E-Commerce, Supply Chain Management, Enterprise Resource Planning, Change Management, Importance of ethics in IS.