Reference Entry


Andrew Butterfield and John Szymanski

in A Dictionary of Electronics and Electrical Engineering

Fifth edition

Published in print June 2018 | ISBN: 9780198725725
Published online June 2018 | e-ISBN: 9780191792717

Show Summary Details


A program or piece of code that is loaded onto a computer without the user’s knowledge and runs against the user’s wishes. All computer viruses are man-made and can replicate themselves. Recently many antivirus programs have become available. These programs periodically check the computer systems on which they are installed for known types of viruses and can disinfect the system if a virus is found....

Reference Entry.  66 words. 

Subjects: Electronic Engineering

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