Which of the Following are All Common Forms of Viruses?

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A computer virus is a software program or code specially designed and developed to infect computer systems locally and in the network.

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The first computer virus was developed by 2 Pakistani brothers from Lahore and named "BRAIN VIRUS".

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Types of Viruses.  1.Trojan,  2.Macro 3.Worms, 4.File Viruses 5.Boot Sector Viruses 6.Resident Viruses. 

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System Viruses:  The system virus hides in a computer's system area like MBR [Master Boot Record]. 

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Trojan Viruses:  Trojan viruses are malicious code that infects the File Allocation Table of the operating system that determines the computer booting system.

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Macro Viruses:  Macro Viruses infect application programs and software like word and excel. 

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Worms Viruses:  These viruses’ computer systems in a network and spread rapidly across the web. 

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File Viruses File Viruses infect executable files like exe and com.

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Boot Sector Viruses:  They are also called "Partition Viruses". They infect partition tables like FAT and NTFS.

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Resident Viruses:  These viruses reside in computer memory and replicate itself rapidly.

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Virus Removal: • 1. Use legal Antivirus Software.  2. Scan any USB and Hard Disk Drives for Viruses Periodically. 3.  Never Download Software, Videos, and Songs, from unauthorized Sources. 4.  Regular Checking of Viruses must be done using legal antivirus software.

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