What is virus in ICT?
A computer virus is a simple program made to harm a computer system. It spreads by duplicating and attaching itself to files. Sometimes the damage is minor but often it can be disastrous. ICT.
What is the best definition of virus?
Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself.
Who invented Creeper virus?
Bob Thomas
As noted by Discovery, the Creeper program, often regarded as the first virus, was created in 1971 by Bob Thomas of BBN. Creeper was actually designed as a security test to see if a self-replicating program was possible.
What are viruses in your own words?
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.”
Is a virus a cell?
Because they can’t reproduce by themselves (without a host), viruses are not considered living. Nor do viruses have cells: they’re very small, much smaller than the cells of living things, and are basically just packages of nucleic acid and protein.
What is the first virus name?
As noted by Discovery, the Creeper program, often regarded as the first virus, was created in 1971 by Bob Thomas of BBN. Creeper was actually designed as a security test to see if a self-replicating program was possible.
What is the definition of a computer virus?
A computer virus is a software program that is designed to copy itself over and over again and to attach itself to other programs. In the early days of personal computing (1980’s) some of the people who created viruses had a certain misplaced sense of humour.
How does a virus take control of a computer?
This type of virus can take control when you start — or boot — your computer. One way it can spread is by plugging an infected USB drive into your computer. 2. Web scripting virus This type of virus exploits the code of web browsers and web pages. If you access such a web page, the virus can infect your computer. 3. Browser hijacker
What happens if you get a virus on your computer?
Viruses infect computers and make them kind of sick. Viruses can cause your computer to slow down and crash. Computer viruses can be downloaded from the internet. Use up-to-date anti-virus software. Portable storage media should scanned for viruses before being plugged into your computer.
What’s the difference between malware and a virus?
Malware and Viruses | IGCSE ICT. Malware is short for mal icious soft ware. Malware is the name given to any software that could harm a computer system, interfere with a user’s data, or make the computer perform actions without the owner’s knowledge or permission. Basically malware is software that you really don’t want to have on your computer!
