1. type of system software
1.1. operating system
1.1.1. an operating system is a set of program containing instruction that work together to coordinate all the activities among computer hardware resources
1.1.2. type of operating system
1.1.2.1. stand alone operating system
1.1.2.1.1. window
1.1.2.1.2. unix
1.1.2.1.3. linux
1.1.2.2. server operating system
1.1.2.2.1. window server 2008
1.1.2.2.2. linux
1.1.2.3. embedded operating system
1.1.2.3.1. windows phone 7
1.1.2.3.2. CE
1.1.2.3.3. iphone os
1.2. utility program
1.2.1. utility program is a type of system software that allows a user to perform maintanance type task
1.2.2. the function of utility program
1.2.2.1. start and shutdown a computer
1.2.2.2. provide a user interface
1.2.2.3. manage program
1.2.2.4. manage memory
1.2.2.5. coordinate task
1.2.2.6. configure device
1.2.2.7. establish an internet connection
1.2.2.8. monitor performance
1.2.2.9. provide file management
1.2.2.10. automically update
1.2.2.11. control network
1.2.2.12. administer security
2. definition
2.1. series of intructions that tell the computer what task to perform and how to perform them
3. categories software
3.1. open source software
3.2. proprietary software
4. application software
4.1. aplication sofware consist of program designed to make user more productive and assist with personal task
4.2. type of aplication software
4.2.1. web browser
4.2.2. word processing
4.2.3. spreadsheet
4.2.4. database
4.2.5. presentation