Introduction to Information System

Introduction

• Information system (IS)– A set of interrelated components that collect,

manipulate, and disseminate data and information, and provide feedback to meet an objective

– Businesses • Can use information systems to increase revenues and

reduce costs

Principles of Information Systems, Ninth Edition 2

What is the difference between IT and IS?

• Information technology is the application of computers and telecommunications equipment to store, retrieve, transmit and manipulate data, often in the context of a business or other enterprise.

• Information system is any combination of information technology and people's activities that support operations, management and decision making.

IT and IS

Business or Enterprise

Information Technology

Information System

Data – Information – KnowledgeComplicated Relationship Ever

• Data: raw facts• Information: collection of facts organized in

such a way that they have value beyond the facts themselves

• Knowledge: awareness and understanding of a set of information and ways that information can be made useful to support a specific task or reach a decision

Data – Information

Data – Information Year Country Gold Silver Bronze Total

2008 United States 36 38 36 1102012 United States 46 29 29 1042004 United States 36 39 28 1031996 United States 44 32 25 1012008 China 51 21 28 1002000 United States 37 24 31 922004 Russia 27 27 38 922000 Russia 32 28 28 882012 China 38 27 23 88

• United States menempati posisi teratas dalam peraihan medali terbanyak 4 kali berturut2 dalam 5 periode Olimpiade terakhir.

• Negara Asia satu-satunya yang masuk dalam lima besar peraih medali terbanyak dalam 5 periode Olimpiade terakhir adalah China.

• Sekalipun United States menempati 4 posisi teratas dalam peraihan medali total, namun peraih medali emas terbanyak hingga saat ini adalah China, yaitu sebesar 51.

• Posisi 10 besar didominasi oleh tiga negara besar yaitu United States, China dan Russia.• Australia hanya satu kali muncul dalam posisi 20 besar, yaitu di posisi 18 pada tahun

2000.

System Concept

• System– A set of elements or components that interact to

accomplish goals • Components of a system– Input – Processing– Output– Feedback

Components of a System

System Concept

• Input: activity of gathering and capturing raw data

• Processing: converting or transforming data into useful outputs

• Output: production of useful information, usually in the form of documents and reports

• Feedback: output that is used to make changes to input or processing activities