Q1. List some ways in which viruses can enter your computer.

Q2. What are the damages that a virus attack can cause to a computer?

Q3. Write a note on the differential backup.

 Q4. Name some security provisions related to e-commerce.

Q5. What precautions can you take to prevent a virus attack on your computer?

Q6. What are the circumstances in which you can lose your data?

Q7. How is online backup beneficial as compared to other types of backup?