ICT
Hardware
Input Devices
Data Entery
Selecting
Devices
Sensors
Output Devices
Display
Sound
Print output
Memory Devices
![USES](http://globalnerdy.com/wordpress/wp-content/uploads/2007/08/awards.gif)
USES
Production
Services
![Business](http://farm8.staticflickr.com/7146/6484488829_1987d4065e_m_d.jpg)
Business
Software
System Software
Operating System
Utility Software
Application Software
General Purpose
Specific Purpose
Programming languate
Low Level
Middle Level
High Level
![Effects](http://www.free-soft.org/softwarewar.png)