Q5. Describe any three viruses related to computers.
Answers
Macro viruses – These are the largest of the three virus types. ...
Boot record infectors – These viruses are known also as boot viruses or system viruses. ...
File infectors – These viruses target .
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Boot Sector Virus.
A boot sector virus is a type of virus that infects the boot sector of floppy disks or the Master Boot Record (MBR) of hard disks (some infect the boot sector of the hard disk instead of the MBR). The infected code runs when the system is booted from an infected disk, but once loaded it will infect other floppy disks when accessed in the infected computer.
Direct Action Virus.
A direct action virus is a type of file infector virus that works by attaching itself to an .exe or .com file when installed or executed. Once this occurs, the virus can spread to other existing files and can render them inaccessible
Resident Virus.
A resident virus is a kind of computer virus that hides and stores itself within the computer memory, which then allows it to infect any file that is run by the computer, depending on the virus’ programming. A resident virus will load its replication module into memory so it does not need to be executed for it to infect other files, rather it activates whenever the operating system loads or operates a specific function.