Author : Dr. Jawahar|Vetter:|Prof. Dharminder Kumar|
1.0 Objectives:
1.1 Introduction
1.2 Over View of System Analysis and Design
1.3 Business System Concepts
1.4 Characteristics of a System
1.5 Elements of a System
1.6 Types of Systems
1.7 Systems Models
1.8 Categories of Information
1.9 Summary
1.10 Questions
1.0 Objectives
Defining a system
The role of computer in information systems
What are the characteristic and element of information system
What are the various types of information system and models
What are the different types of specialised information system
1.1 Introduction
In business, System Analysis and Design refers to the process of examining a business situation with the intent of improving it through better procedures and methods. System analysis and design relates to shaping organizations, improving performance and achieving objectives for profitability and growth. The emphasis is on systems in action, the relationships among subsystems and their contribution to meeting a common goal.
Looking at a system and determining how adequately it functions, the changes to be made and the quality of the output are parts of system analysis.
Organizations are complex systems that consist of interrelated and interlocking subsystems. Changes in one part of the system have both anticipated and unanticipated consequences in other parts of the system. The systems approval is a way of thinking about the analysis and design of computer based applications. It provides a framework for visualizing the organizational and environmental factors that operate on a system. When a computer is introduced into an organization, various functions’ and dysfunction’s operate on the user as well as on the organization. Among the positive consequences are improved performance and a feeling of