What is virus Definition in computer?
A computer virus is a type of malicious software, or malware, that spreads between computers and causes damage to data and software. Computer viruses aim to disrupt systems, cause major operational issues, and result in data loss and leakage.
What is a simple definition of a virus?
A virus is an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat. A virus cannot replicate alone; instead, it must infect cells and use components of the host cell to make copies of itself.
What are the 5 computer virus?
Conficker, Downup, Downadup, Kido – these are all computer virus names that appeared on the internet in 2008. It used the MS08-067 Windows system vulnerability and advanced malware techniques to propagate and install itself into the system.
What is the first dictionary definition of virus?
1 : a disease-causing agent that is too tiny to be seen by the ordinary microscope, that may be a living organism or may be a very special kind of protein molecule, and that can only multiply when inside the cell of an organism.
What is a computer virus Class 9?
Definition: A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions.
What is a virus in computer class 8th?
Answer: Computer viruses are the software written with malicious intention of causing harm to the programs and data stored in the system.
What is example of computer virus?
Examples of computer viruses Trojans – As in the myth, a Trojan is a virus that hides within a legitimate-seeming program to spread itself across networks or devices. Ransomware – Ransomware is a type of malware that encrypts a user’s files and demands a ransom for its return.
What is the best definition of virus?
virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. The name is from a Latin word meaning “slimy liquid” or “poison.”
What’s the best definition of a virus?
1 : a disease-causing agent that is too tiny to be seen by the ordinary microscope, that may be a living organism or may be a very special kind of protein molecule, and that can only multiply when inside the cell of an organism. 2 : a disease caused by a virus.