1. Three main types of computer operating systems By Chloe Monks

2. Microsoft Windows Microsoft windows is a computer operating system. The Microsoft windows operating system is the code that handles processes in the machine – from handling memory writes to task switching.

3. Mac OS X Mac OS X, is a series of Unix-based graphical interface operating systems developed, marketed, and sold by Apple Inc.

4. Linux Linux is a Unix-like and POSIX-complaint computer operating system assembled under the model of free and open source software development and distribution. The main form of distribution are Linux distributions.

5. What operating systems works on what devices?? Microsoft – Windows phone Mac OS X – Symbian Linux – Android, IOS

6. Android Functionality, Apps Android contains apps to have fun and games with, in-case you get bored. Facebook, Twitter, etc…