Operating Systems

1. An operating system is a type of software
   True, you have to uninstall and update it onto your computer
2. Operating systems control the loading of software applications onto a computer
   True, you can not open a program if the OS doesn't allow you to.
3. All operating systems offer user preferences allowing you to customize your computer
   True, you can customise the code
4. An operating system Prioritizes the tasks that a CPU does.
   True, it does this so that things can run faster and easier.
5. The following devices have an operating system: an Apple iPod, a Dell laptop, a Nintendo Wii.
   True, all of these devices need a base system to run from.

How the Internet Works

1. What is the internet?

The internet is a wide area network, or WAN, and it is made of many smaller netowrks. Everything that goes online has to go through the internet. About 2.3 billion people are regular users of the worl's largest WAN, or the internet. 

2. What is a protocol?

The rules for how computers communicate with each other in networks. 1969 is when the first network protocol was established, and the system was being used for the first e-mails.

3. What is DNS?
DNS stands for Domain Name Service, and it is critical to Internet communication. It is like the "phone book" of the internet.