COMPUTER VIRUS
Q1. Define Computer Virus in Details. “A Computer Virus is a malicious software program “Malware” that can infect a computer by modifying or deleting data files, boot sector of a hard disk drive or causes a software program to work in an unexpected manner”. A computer virus resides on a host computer and can replicate itself when executed. Virus can steal user data, delete or modify files & documents, records keystrokes & web sessions of a user. It can also steal or damage hard disk space, it can slowdown CPU processing. Definition of Computer Virus “A computer virus is a program that may disturb the normal working of a computer system”. Virus attaches itself to files stored on floppy disks, USBs, email attachments and hard disks. A file containing a virus is called infected file. If this file is copied to a computer, virus is also copied to the computer. Q2. How to activate Virus? Activation of Virus When the computer virus starts working, it is called the activatio...