Answer:
A
Binary numbers use only the digits 0 and 1; decimal numbers use 0 through 9.
Explanation:
Binary means in couples of two. So you count using 0s and 1s like 01, 10, 11, 100, 101, 110, 111, and so on.
Creating a list of keywords and using them throughout your
site helps move pages up the ranks of search engines like Bing or Google. They
also attract website visitors. Technically, maintaining a list of keywords
while creating a webpage is important in search engine optimization.
Answer:
A: Radio waves.
Explanation:
Computers use short-wave radio in order to communicate with devices in it's immediate vicinity.
Press sign up and put your information in there. Then it should automatically make your profile.