Question

b. What is computer virus? Explain any three types of viruses?What are some tips to avoid viruses and lessen their impact?

Answer 1

A computer virus is one type of malware that inserts its virus code to multiply itself by altering the programs and applications. The computer gets infected through the replication of malicious code. Computer viruses come in different forms to infect the system in different ways.

Computer viruses come in different forms, and the most common infections are:

1) Boot Sector Virus.

2)Direct Action Virus.

3)Resident Virus.

But let's take a look at eight additional ways you can protect yourself from viruses and malware:

•Keep your software up to date. ...

•Don't click on links within emails. ...

•Use free antivirus software. ...

•Back up your computer. ...

•Use a strong password. ...

•Use a firewall. ...

•Minimize downloads. ...

•Use a pop-up blocker.

Answer 2

Answer:

 A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions. ... It can self-replicate, inserting itself onto other programs or files, infecting them in the process.

3 Types of Viruses are:

1. Boot Sector Virus
2. Direct Action Virus
3. Resident Virus

Few Tips are:

1. Keep your antivirus protection updated up to date. Run regular virus checks.
2. Use a VPN.(Most of the Ads give viruses)
3. If you feel that something is wrong don't hesitate to check if you have a virus.