FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A COMPUTER VIRUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The RESIDENT virus ____
A
stays dormant.
B
installs itself.
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Resident Virus – A virus which saves itself in the memory of the computer and then infects other files and programs when its originating program is no longer working. This virus can easily infect other files because it is hidden in the memory and is hard to be removed from the system.

Detailed explanation-2: -Non-Memory-Resident Viruses are only activated once the application or program is started. Memory-resident viruses load its replication module into memory so it does not need to be executed for it to infect other files, activating whenever the operating system loads or operates specific functions.

Detailed explanation-3: -A type of malware that hides and stores itself within the computer’s memory. Depending on the virus’ programming, it can then infect any file run by the computer. This type of virus even attach itself to anti-virus applications, thereby allowing it to infect any file scanned by the program.

Detailed explanation-4: -If the software finds a vulnerability, it will send malicious code through that opening and install itself onto your computer.

Detailed explanation-5: -The resident virus is a Memory-Resident Virus and saves itself in the memory of a computer. After the ‘host’ application or program has quit operating (been terminated). Non-Memory-Resident Viruses are triggered when the application or program is begun.

There is 1 question to complete.