Which of the following can be infected by a computer virus?

1. Keyboard
2. CPU
3. Operating system
4. Printers

Which of the following has the ability to replicate itself?

1. Worm
2. Trojan
3. Macro
4. Stealth

Through which of the following a computer can be infected with viruses?

1. Pen drive
2. E-mail
3. Accessing internet
4. All of the above

Which of the following is not an antivirus?

1. Norton
2. AVG
3. McAfee
4. Quick Heal