1. SYSTEM SOFTWARE
1.1. aset of programs containing instruction that work together to coordinate all the activities among computer hardware resources
1.2. OPERATING SYSTEM
1.2.1. STAND ALONE OS
1.2.1.1. Windows
1.2.1.2. Mac os x
1.2.1.3. Unix
1.2.1.4. Linux
1.2.2. SERVER OS
1.2.2.1. Windows Server 2008
1.2.2.2. Netware
1.2.2.3. Unix
1.2.3. EMBEDDED OS
1.2.3.1. Windows Embedded
1.2.3.2. iPhone OS
1.2.3.3. Google Android
1.3. UTILITY PROGRAM
1.3.1. FILE MANAGER
1.3.2. DISK CLEANUP
1.3.3. DISK DEFRAGMENTER
1.3.4. COMPRESSION TOOLS
1.3.5. ANTI VIRUS PROGRAM
1.3.6. SPYWARE REMOVER
1.3.7. BACKUP AND RESTORE
1.4. a type of system sotware that allow user to perform maintenance type task
2. FUNCTION OF OPERATING SYSTEM
2.1. START AND SHUTDOWN A COMPUTER
2.2. PROVIDE USER INTERFACE
2.3. MANAGE PROGRAM
2.4. MANAGE MEMORY
2.5. COORDINATE TASK
2.6. CONFIGURE DEVICE
2.7. ESTABLISH INTERNET CONNECTION
2.8. MONITOR PERFOMANCE
2.9. PROVIDE FILE MANAGEMENTS AND OTHER UTILITIES
3. DEFINITON
3.1. A SERIES OF RELATED INSTRUCTIONS ORGANIZED FOR A COMMON PURPOSE THAT TASK THE COMPUTER WHAT TASK TO PERFORM AND HOW TO PERFORM THEM
4. CATEGORIES OF SOFTWARE
4.1. OPEN SOURCE SOFTWARE
4.2. PROPRIETARY SOTWARE
5. APPLICATION SOTWARE
5.1. WEB BROWSER
5.1.1. a software that allow user to access and interact with sotware from any computer or device
5.1.2. Internet Explorer
5.1.3. Safari
5.1.4. Mozilla Firefox
5.1.5. Chrome
5.2. WORD PROCESSING
5.2.1. a software that allow user to create and manipulate documents
5.2.2. Microsoft Office word
5.2.3. OpenOffice.org Writer
5.3. SPREADSHEET
5.3.1. allow user to organize data in rows and columns and perform calculations
5.3.2. Microft Office Excel
5.3.3. OpenOffice.org Calc
5.4. DATABASE
5.4.1. a collection of data organized in a manner that allow access,retrieval and use of that data
5.4.2. Microsoft Office Access
5.4.3. OpenOffice.org Base
5.5. PRESENTATION
5.5.1. allow user to create visual aids for presentation to communicate ideas,messages,and other information to a group
5.5.2. Microsoft Office PowerPoint
5.5.3. OpenOffice.org Impress