Alan Turing fathered the machines we now lovingly call computers, however it was Nicola Tesla that birthed the idea of a world-wide wireless system.
Answer:
IP address
Explanation:
In computer networks, every computer has assigned with a unique address that is called logical address or IP address.
This address is assigned by ICANN and used to access that particular computer by other computers on the network.
Answer:
To protect a formula
Explanation:
One common example to apply cell protection to spreadsheet entries is to protect a formula used in the sheet to calculate payouts or rankings for example. A manager might want to share the results of the team to all its team and provides some ranking or other form of calculations in the sheet. He then needs to protect the formula so it's not altered by the team members or anyone else reviewing the file.
Answer:
The answer is likely C. "Can be used by CSS to apply the same formatting to more than one HTML element."
Explanation:
Given that the name of the attribute is "class," it sounds like the kind of code that would be applied to multiple elements intended to display something a specific way.
Qualification:
I've invested hours of my time into learning HTML, but I've never dealt with the "class" attribute. So, maybe take my answer as a grain of salt.