ISDP2: Information system development toolkit -UNIT 2 THE PROCESS MODEL

INTRODUCTION The key to making the computer system perform business applications is application software. Whether an organization makes its own or buys it, application software must be developed. As a systems analyst (go to Module 2, Unit 6 to refresh your memory about system analysts} you will be directly involved in developing application software. Thus you should know how computer programs are written and used. With the increased use of personal computers, you may be writing short programs for your own use. Many managers who know how to program in a high-level language are finding they are able to write programs that help them do their job. Since application software is vital to every organization, you should have an understanding of what a computer program is and how it is written. OBJECTIVES By the end of this unit, you should be able to Explain the waterfall model of SDLC development Explain the role of programming languages in system design