What is computer virus explain?

A computer virus is a malicious piece of computer code designed to spread from device to device. A subset of malware, these self-copying threats are usually designed to damage a device or steal data. Think of a biological virus – the kind that makes you sick.

What is computer virus and types?

A computer virus is one type of malware that inserts its virus code to multiply itself by altering the programs and applications. The computer gets infected through the replication of malicious code. Computer viruses come in different forms to infect the system in different ways.

What are 5 computer viruses?

Here are the top ten notorious computer viruses of all time.

• Morris Worm. Let us start our journey with Morris Worm or the “Great Worm”, which is believed to be the pioneer among computer worms distributed through the internet.
• Nimda.
• ILOVEYOU.
• SQL Slammer.
• Stuxnet.
• CryptoLocker.
• Conficker.
• Tinba.

What causes a computer virus?

How a Computer Gets a Virus. There are several ways a computer can get infected by a virus and most of them involve downloading – either intentionally or unintentionally – infected files. Pirated music or movies, photos, free games and toolbars are common culprits, as are phishing/spammy emails with attachments.

What is virus in simple words?

A virus is a parasite that can only be seen under a microscope and can infect living organisms and cause disease. It can make copies of itself inside another organism’s cells. Viruses consist of nucleic acid and a protein coat. Usually the nucleic acid is RNA; sometimes it is DNA.

What are the types of virus?

Various types of viruses:

• Macro Virus: Unlike most viruses which are written in a low-level language(like C or assembly language), these are written in a high-level language like Visual Basic.
• Source code Virus:
• Polymorphic Virus:
• Encrypted Virus:
• Stealth Virus:
• Tunneling Virus:
• Multipartite Virus:
• Armored Virus: