Systems analysis and development CIS210 ch 01

CIS 210 Systems Analysis and Development Week Part I The Systems Development Environment Objectives • Upon completion of part I you will be able to: – Understand and be able to explain the concepts related to information systems analysis and design – Understand and be able to explain the concepts related to modern approach to systems analysis and design that combines both process and data views of systems – Understand and be able to explain the concepts related to organizational roles, including systems analyst, involved in information systems development – Understand and be able to explain the concepts related to different types of information systems – Understand and be able to explain the concepts related to the Systems Development Life Cycle – Understand and be able to explain the concepts related to the use of Computer Aided Software Engineering tools in systems development Overview • Information Systems Analysis and Design – – – – – – – – – Complex Stimulating Organizational perspective Careers in IT Application software Methodologies Techniques Tools Role of the systems analyst A Modern Approach to Systems Analysis and Design • Current Trends – System development for the Internet – Computer-based tools • Speed • Simplicity – Three-tier design • Database • Application • Client logic – Off-the-shelf systems Types of Information Systems • Transaction Processing Systems (TPS) – Automate data handling – Improve transaction processing • Management Information System (MIS) – Convert raw data – Meaningful aggregated form • Decision Support Systems (DSS) – Interactive environment – Components • Database • Model base • User dialogue The Systems Development Life Cycle • Life Cycle Overview – Standard steps – Circular process • Steps in the Cycle – Planning – Analysis • Requirements determination • Requirements structure – Design • Logical • Physical – Implementation • Coding • Testing • Installation – Maintenance The Heart of the Systems Development Process • Different Approaches to Improving Development – – – – – – Prototyping CASE tools Joint application design Rapid application development Agile methodologies eXtreme programming Object-Oriented Analysis Design • OOAD – – – – – – Combines data and processes Objects Putting everything in one place Inheritance Object classes Rational Unified Process (RUP) • • • • Inception Elaboration Construction Transition Summary • • • • • • Systems Development Environment Modern Approach Types of Information Systems Systems Development Life Cycle Improving Development OOAD ... Understand and be able to explain the concepts related to information systems analysis and design – Understand and be able to explain the concepts related to modern approach to systems analysis and. .. process and data views of systems – Understand and be able to explain the concepts related to organizational roles, including systems analyst, involved in information systems development – Understand... and be able to explain the concepts related to different types of information systems – Understand and be able to explain the concepts related to the Systems Development Life Cycle – Understand