Apple ipod

The symptoms of a virus, but not a virus? What is the definition of a virus? Or, in fact, the malware? My definition would be something that prevents you from do what you want on your computer or something that has been placed on your computer to cause damage or use the computer in ways that have not been approved or planned. There is also a program that resists their efforts to eliminate it. Now of course there may be some security software …
Apple iPad WiFi Tethering via iPhone: 3G Speed Testing