B. Moving Picture Expert Group
D. Map Picture Exponent Group
19. Which one of the following is computer security threat?
B. Trojans
D. A&B
A. Computer virus
20. Which one of the following is used to prevent computer security threat?
A. Anti-virus software
C. Password
B. computer worm
21. Which of the following is not types of cybercrime?
A. Data theft
B. forgery
C. Damage to Data& system
D. install anti-virus for protection
C. Computer virus



Answer :

Final answer:

The answer explains computer security threats, prevention methods, and types of cybercrime.


Explanation:

Computer security threats: One of the threats is Trojans, which are malicious software that appear to be harmless but can actually cause damage. Another threat is Computer viruses, which are programs that replicate themselves and spread by attaching to files.

Preventing computer security threats: To prevent threats, using Anti-virus software is essential as it can detect and remove malicious software before they cause harm.

Types of cybercrime: Installing anti-virus for protection is not a type of cybercrime, unlike Data theft, forgery, and damage to data and systems which are considered cybercrimes.


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