trojan virus allows some one to sneak a bunch of coruppted data or more viruses into a system. a worm is able to access some ones computer and steal information a firebug is used to crash someones computer and spyder is used to scramble some ones work and deleting it
The picture that graphically represents the times you use in windows is called an icon ( this is true for windows 7, assuming that was what you were referring to. I am not familiar with windows 8)
Explanation:
A computer's speed and processing power aren't attributable to a single component. It takes a number of pieces of hardware working together to determine your computer's overall performance. The key is how well, and how quickly, all the important components communicate with each other to perform actions.
