bild

Computer viruses. Conceptual computer artwork of organic virus particles (red) seen with computer imagery and strings of binary code (zeros and ones). This represents computer viruses. A computer virus is a computer program which usually contains harmful instructions that are carried out in an extremely destructive manner. The virus often wipes out large amounts of information and then transmits itself onwards to another computer. Binary code is used by computers to store and manipulate data. (KEYSTONE/SCIENCE PHOTO LIBRARY/VICTOR HABBICK VISIONS)