tailieunhanh - Lecture note Business system development - Lecture 1: The systems development environment
This chapter presents the following content: Information systems analysis and design, different types of information systems, the information systems development life cycle (SDLC). In this chapter students will be able to understand and distinguish between different types of information systems, to understand and distinguish between different SDLC. | Business System Development CSC581 About the course Systems Analysis and Design (SAD) is an exciting, active field in which analysts continually learn new techniques and approaches to develop business systems more effectively and efficiently. The course gives an understanding of organizational behavior concepts like change management and team building which are very important for any type of business process. It gives the information on how all projects require analysts to gather requirements, model the business needs, and create blueprints for their business system. Books and Resources Essentials Of Systems Analysis And Design 6th Edition by Joseph S. Valacich, Joey F. George and Jeffrey A. Hoffer Systems Analysis & Design, approach, 5th Edition by Denis, Wixom and Roth How this course will be run The course is comprised of 32 lectures and is divided in following parts: Part - 1: Foundations for Systems Development Part - 2: Systems Planning and Selection Part - 3: Systems Analysis Part - 4: Systems Design Part - 5: Systems Implementation and Operation Are you ready!!!! Let’s Begin Lecture 1: The Systems Development Environment Outlines Information systems analysis and design. Different types of information systems. The information Systems Development Life Cycle (SDLC). Objectives To understand and distinguish between different types of Information Systems. To understand and distinguish between different SDLC Introduction Information Systems Analysis and Design Complex organizational process whereby computer-based information systems are developed and maintained Application Software Computer software designed to support organizational functions or processes Systems Analyst Organizational role most responsible for analysis and design of information systems A Modern Approach to Systems Analysis and Design 1950s: focus on efficient automation of existing processes 1960s: advent of 3GL, faster and more reliable computers 1970s: system development becomes more like an engineering discipline 1980s: major breakthrough with 4GL, CASE tools, object oriented methods 1990s: focus on system integration, GUI applications, client/server platforms, Internet The new century: Web application development, wireless PDAs, component-based applications Types of Information Systems and Systems Development Transaction Processing Systems (TPS) Automate handling of data about business activities (transactions) Process orientation Management Information Systems (MIS) Converts raw data from transaction processing system into meaningful form Data orientation Decision Support Systems (DSS) Designed to help decision makers Provides interactive environment for decision making Involves data warehouses, executive information systems (EIS) Database, model base, user dialogue Systems Development Life Cycle (SDLC) Summary In this lecture we learned about: Information systems analysis and design. The different types of information systems. The phases in the information Systems Development Life Cycle (SDLC). Overview of Next lecture We will continue our discussion on SDLC Precisely, we will talk about the problems with the existing waterfall approach We will also see some other SDLC: Methodologies The End
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