Answer:
An Australian scientist by the name of John O'Sullivan was inspired by Stephen Hawking's theory of evaporating black holes and their subsequent radio waves. He set out to find them and prove the theory correct. (Wi-Fi was discovered on accident)
Press the equal number.
For example:
Press the equal button: = (this step can go first or last)
Enter the first number: 5
Press the addition button: +
Enter the second number: 4
Press the equal button: =
No. Using the address will get you either the default site, or the first site declared. Web servers can host VirtualHosts, and rely on the site name to know which VirtualHost to serve. TMI, it's called name based virtual host, as opposed to the machine having many addresses then address based virtual hosts can be created.
