Answer:
Its the last one, CSS and HTML are similar but like it says some prefer one over the other.
Answer:
b) White-hat hacker
Explanation:
This is also called an ethical hacker. Unlike the other options, a white-hat hacker is a person specialized on computational security which offers services to organizations to test how safe they are from informatic attacks (viruses, theft of information, etc). This is carried out based on a agreement between the whihte-hat hacker and the client via a contract.
Intro, and Headings probably
Explanation:
its an electronic device that processes data and stores information
