Question

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1. ____ is a computer program, which runs on any computer without the user’s knowledge.
2. Once a ____ is loaded it starts ____ the system automatically.
3. Some times some people write viruses to test their programming skills or check how the _____ spreads.
4. A virus is a ____ program, which has the ability to replicate and execute itself.
5. A virus is a man-made ____.
6. ____ want to engage the antivirus vendors in a job.
7. The names of some sources of virus are ____.
8. The viruses can be classified into ____ and ____.
9. ____ virus copies and multiplies itself by using computer networks and security flaws.
10. ____ viruses use the address book of the system to send themselves through e-mails.
11. Swen and Scalper are ____ viruses.
12. ____ viruses spread through user interaction.
13. ____ viruses remain inactive for a long time and wait for a specific data or event.
14. Saturday the 14th is a ___ virus.
15. Backdoor is a ____ virus.
16. While loading an operating system, ____ plays an important role in the system.
17. The _____ virus affect the boot sector of the hard disk during the process of booting.
18. A system that runs with an infected hard disk starts ____ the stored data.
19. ____ virus prevents the system from loading the operating system.
20. Danish boot, Quox are ____ viruses.
21. The viruses which directly attack the program files of the system with an extension .EXE, .SYS, .COM, .DLL etc. are known as ____.
22. ____ virus infects word, excel, powerpoint, access and other data files.
23. Bloodhound, Melissa etc. are ____ viruses.
24. ____ viruses keep on changing their codes within the system.
25. ____ viruses hides the increased size of the file due to the virus infection.
26. Frodo, Brain etc. are ____ viruses.
27. ____ software are the utility programs which prevent viruses from attacking the system.
28. The main task of an ____ software is to check all the programs/data files available in the system.
29. If a ____ is detected, the antivirus removes it and gets the system ready for the user. It also displays a warning message if a ____ is detected

Answer 1

Answer:

: A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions

Answer 2

Answer:

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