Chapter 1

Information system has 5 parts:
• People
• Procedures
• Software
• Hardware
• Data


People is the most important parts. It making us more productive.
People has 4 features :
• Making IT work for you
Present several interesting and practical application
• Tips
Suggestion on such practical application to improve slow computer and protect privacy
• Career in IT
Job in IT industry. Like webmaster, technical writer, programmer and so on.
• Computing Essential web sites
Textbook with information on the web

Procedures is a guidelines for people to use software or hardware and data. It produced by computer specialists.

Software is a program written to perform specific task. It consist of the step-by-step instruction to computer so that it can work.
It divide by 2:
• System
It makes application software interact with hardware. It consist of a variety of programs:
1. Operating system
2. utilities
3. Device drivers
• Application
Perform a specific task

Hardware is the physical equipment. There have many type like microcomputer and so on.
There have 4 basic of hardware device :
• System unit
• Input/output devices
• Secondary storage
• Communication device


Lastly, data. It is a unprocessed fact about something. When the data has been processed, it become information.
It has 4 common types :
• Document file
• Worksheet file
• Database file

Connectivity is a concept describing the ability of end users to tap into resources well beyond their desktops. The central concept is network and the largest network is internet.
Connectivity allows computer to connect computer and share with other computer. It keep evolution time after time.

Many types of career in IT. Example :
• Webmaster
• Software engineering
• Network administration
• System analyst