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Systems Analysis andDesign

Introduction to Information

Systems

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Who is System Analyst? A person who works with systems

owners, users, and builders.

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System Analysts Main

Tasks System Analysis

System Design

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Other necessary tasks Collect data

Document data

Create datadictionary

Design system

Model system

Test systems Implement and

install

Create user manual

Conductquestionnaire

Maintain andevaluate

Give consulting

Be a coordinator

Be a problem solver Be able to make

change

Prepare data for

organization

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Systems Analysis and Design

Methodology System Development Life Cycle

(SDLC) Planning Analysis

Design

Implementation Operation and Support

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The characteristics of a good

system analyst Be knowledgeable in IT Have experience and skills in computer

programming Have knowledge in business and the

real world Have skills in problem solving Have a good communicating skills Be flexible Have moral and ethic Be creative in analysis and design

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The Career Opportunity Junior systems analyst/programmer Senior systems analyst Database administrator Computer security specialist Project manager Information system manager Technical specialists for database,

telecommunication and microcomputers Senior technical support analyst Vice-President of MIS or Chief information

officer (CIO)

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Introduction to InformationSystems

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Definition

Data

Information

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Data VS Information

Input Process Output

Raw Data

Processing

Information

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Characteristics of

Information Accurate Complete

Economical Flexible Reliable Relevant

Simple Timely Verifiable

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Information System An information system includes:

Input Processing

Output Feedback

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Information TechnologyThe combination of computer

technology and communication

technology (telecommunication)

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Organizational Information

Systems

(Clerical Level)

(Operational Planning Level)

(Tactical Planning Level)

(Strategic Planning Level)

DPS

DSS

MIS

EIS

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Levels in Organization

Clerical

Operational Planning

Tactical Planning

Strategic Planning

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Types of InformationSystem

DPS (Data Processing System)

TPS (Transaction Processing System)

EDP (Electronic Data Processing) MIS (Management Information System)

DSS (Decision Support System)

EIS (Executive Information System) ES (Expert System)

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Question?

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Class Exercise

In a group of 3 to 5 people, identifyan information system you know

well and explain about thatsystem.