Systems analysis and development CIS210 ch 01

CIS 210Systems Analysis and Development Week 1 Part I The Systems Development Environment... Objectives • Upon completion of part I you will be able to: – Understand and be able to expla

CIS 210

Systems Analysis and Development

Week 1 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

• 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

• Systems Development Environment

• Modern Approach

• Types of Information Systems

• Systems Development Life Cycle

• Improving Development

• OOAD