1. Definition: software that controls the execution of computer programs and may provide various services, Operating System (commonly abbreviated to OS, O/S or kernel) is and interface between hardware and software in a computer system. The OS is responsible for the management and coordination of activities and the sharing of the limited resources of the computer.
2. Cell phone Operating Systems:
2.1. New Droide by Verizon phone provider
2.1.1. Android by Google
2.2. The Wing by T Mobile
2.2.1. Windows Mobile
3. Apple
3.1. Pros: Not a primary target for hackers on the web.
3.2. Cons: It is not designed for windows.
4. What % use Windows?
4.1. 90% use it
4.2. 10% don't use it
5. Focus on Windows 7
6. Linux
6.1. Ubuntu
6.1.1. Pros: It is an alternative to Office and Windows
6.1.2. Pros: Free Software updates.
6.1.3. Cons: Without a CD you may have to play with the iso files and make and burn discs.
7. Leopard
7.1. Pro: Designed primarily for photo and video editing
7.2. Cons: Not always user friendly for those students using word programs.