Question

is boot sector a harmless virus​

Answer 1

Answer:

Since the MBR executes every time a computer is started, a boot sector virus is extremely dangerous. Once the boot code on the drive is infected, the virus will be loaded into memory on every startup. From memory, the boot virus can spread to every disk that the system reads.

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Answer 2

Answer:

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). ... While boot sector viruses infect at a BIOS level, they use DOS commands to spread to other floppy disks.....