An Introduction to Informasi System
Why learn about information system ?
Information System used in most professions :
- Sales reps
- Managers
- Corporate Lawyers
Introduction
Information System (IS)
- An set of interrelated component that collect, manipulate, and disseminate data and information and provide feedback to meet an objective
- Example : ATMs, airline reservation systems
Information Concepts
Data, Information, and Knowledge
- Data : raw facts
- Information : collection of facts organized in such a way that have vakue beyond the facts themselves
- Knowledge : awareness and understanding of a set of information and ways that information
DATA ===========> TRANSFORMATION PROSES KNOWLEDGE ============> INFORMATION
Characteristics Of Value :
- Accessible
- Accurate
- Complete
- Economial
- Flexibel
- Relevant
- Realible
- Secure
- Simple
- Timely
- Verifiable
The Value Of Information
Value of inforamtion is directly linked to how it helps decision makers achieve their organization's goals.
For example, value of information might be measured in :
- Time required to make a decision
- Increased profits to company
System Concept
- System (A set of elements or components that interact to accomplish goals
- Compenent of system (input, procces, output, feedback)
System Performance and Standard
- Efficiency
- Effectiveness
- System performances standard
Computer based is (CBIS)
- Hardware, software, databases, telecommunications, people and procedure
- Mengumpulkan, memanipulasi, menyimpan proses data menjadi informasi
Business IS :
- Transaction proccesing system
- E-commerce systems
- Management information system
- Decision support system
E-Commerce
- B2B (Business to Business)
- B2C (Business to Consumer)
- C2C (Consumer to Consumer)
- Business the public sector
- Consumer and the public sector
TPS, MIS, and DSS
- TPS (data ke perusahaan, mengurangi aktivitas pencatatan mengurangi waktu).
- DSS (identifikasi masalah, akses informasi yang dibutuhkan untuk memecahkan masalah atau pengambilan keputusan).
- MIS (memberi fungsi operasional manajemen).
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