Which of the following is the most important to install and keep up to date on your personal computer?

Q. Which of the following is the most important to install and keep up to date on your personal computer?

A.            Anti-virus and anti-spyware software

B.            A Firewall

C.            Operating system updates

D.            All of the above must be installed and kept up to date

Answer: All of the above must be installed and kept up to date