System Analysis & Design TERM-C

Fida Hussain Yousafzai 2 Chairman department of computer science Kardan Institute of Higher Education-Kabul MSc(computer science) MS(software Engineering)

Learning Objectives 3 Explain the key role of a systems analyst in business Describe the various types of systems an analyst might work on Explain the importance of technical, people, and business skills for an analyst Explain why ethical behavior is crucial for a systems analyst’s career

Learning Objectives ( continued ) 4 Describe the many types of technology an analyst needs to understand Describe various job titles and places of employment where analysis and design work is done Discuss the analyst’s role in strategic planning for an organization Describe the analyst’s role in a system development project

Overview 5 Information Systems  Crucial to success of modern business organizations  Constantly being developed to make business more competitive  Impact productivity and profits Keys to successful systems development  Thorough systems analysis and design  Understanding what business requires

Overview ( continued ) 6 Systems analysis – what system should do Systems design – how components of information system should be physically implemented Systems analyst – uses analysis and design techniques to solve business problems with information technology

What is required for successful business information systems? 7 The right hardware and software A team of talented, motivated people who use information technology to achieve business goals

Introduction to Information Systems (IS) 8 System  A group of related procedures for a particular business function  There may one system or a no.of sub-systems e.g. Accounting, Admission, Payroll… Function  E.g, Payroll, Accounts, Admission … Procedure  The rules and regulations required to accomplish the functions. E.g. procedure for admission function…

IS Components 9 The effective use of H/W, S/W, Data, Procedures and People to achieve specific results that support the company’s business objective H/W  Physical layer of IS S/W  System S/W  Application S/W

IS Components 10 Data  Facts and Figures used to take part in processing for information Procedures  The activities that must be performed by the users who work in the system People  Users, End Users, Programmer…

Characteristics of IS 11 Timeliness Completeness Conciseness – To the point Understandable