Intro To Info Systems

Systems Analysis and Design Introduction to Information Systems

Agenda   

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Interesting News and Articles The Modern System Analyst Introduction to Information Systems Class Exercise

Who is System Analyst? 

A person who works with systems owners, users, and builders.

System Analyst’s Main Tasks 

System Analysis

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System Design

Other necessary tasks   

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Collect data Document data Create data dictionary Design system Model system Test systems Implement and install Create user manual

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Conduct questionnaire Maintain and evaluate Give consulting Be a coordinator Be a problem solver Be able to make change Prepare data for organization

Systems Analysis and Design Methodology 

System Development Life Cycle (SDLC)     

Planning Analysis Design Implementation Operation and Support

The characteristics of a good system analyst  

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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

The Career Opportunity       

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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)

Introduction to Information Systems

Definition 

Data

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Information

Data VS Information Input

Process

Output

ข้อมูลดิบ

ประมวลผล

สารสนเทศ

Raw Data

Processing

Information

Characteristics of Information         

Accurate Complete Economical Flexible Reliable Relevant Simple Timely Verifiable

What is a system? The combination of:  People  Resource  Concept  Process

Information System 

An information system includes:    

Input Processing Output Feedback

Information Technology 

The combination of computer technology and communication technology (telecommunication)

Organizational Information Systems EIS

MIS

ระดับ การวางแผน ยุทธศาสตร์ (Strategic Planning Level)

DSS

ระดับวางแผนการบริหาร (Tactical Planning Level)

ระดับวางแผนการปฏิบัติการ (Operational Planning Level) ระดับการปฏิบัติการ (Clerical Level)

DPS

Levels in Organization    

Clerical Operational Planning Tactical Planning Strategic Planning

Types of Information System 

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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)

Question?

Class Exercise 

In a group of 3 to 5 people, identify an information system you know well and explain about that system.