System Analysis & Design TERM-C. Fida Hussain Yousafzai 2 Chairman department of computer science...
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Transcript of System Analysis & Design TERM-C. Fida Hussain Yousafzai 2 Chairman department of computer science...
System Analysis & Design
TERM-C
Fida Hussain Yousafzai2
Chairman department of computer scienceKardan Institute of Higher Education-Kabul
MSc(computer science)MS(software Engineering)
Learning Objectives3
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
Overview5
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 softwareA 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 Components9
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 Components10
Data Facts and Figures used to take part in processing for
informationProcedures
The activities that must be performed by the users who work in the system
People Users, End Users, Programmer…
Characteristics of IS11
TimelinessCompletenessConciseness – To the pointUnderstandable