COMPUTER THREATS SECURITY
WHAT IS A COMPUTER VIRUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Macros virus
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program virus
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Boot sector virus
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Logic bomb
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Detailed explanation-1: -Polyboot. B is a boot virus that does not have any destructive effects, which infects the boot sector of hard disks (Master Boot Record or MBR) and floppy disks (Boot). Polyboot. B goes memory resident in order to infect the MBR of the hard disks in the infected computer and the Boot of the floppy disks used.
Detailed explanation-2: -Some common boot sector viruses include Monkey, NYB (also known as B1), Stoned, and Form.
Detailed explanation-3: -A: Popular examples of the boot sector virus include: Elk Cloner, Brain, Stoned, Parity Boot Virus, Michelangelo, and Angelina.
Detailed explanation-4: -The Brain Boot Sector Virus Brain, the first PC virus, began infecting 5.2” floppy disks in 1986. As Securelist reports, it was the work of two brothers, Basit and Amjad Farooq Alvi, who ran a computer store in Pakistan.
Detailed explanation-5: -Details. The Fixed Disk Boot Sector BIOS feature provides rudimentary anti-virus protection by write-protecting the boot sector. If this feature is enabled, the BIOS will block any attempt to write to the boot sector and flash a warning message. This protects the system from boot sector viruses.