When ants bite, they

What is the primary purpose of a firewall in network security?

Which malware does not require host to spread

Which part of a computer is considered the 'brain'?

What is the purpose of a firewall in computer networks?

The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement specialty called: 

What was the world’s first web browser?

The first computer virus is ?

What are Portrait and Landscape settings called?

What does 'ctrl +esc' do?

Which command is used to remove a directory in UNIX?