Well, a network is a group of computer systems connected to share resources and communicate. It is also a collection of devices and computers linked together via transmission media and communication ...

Viruses that wipe out your hard drive are the least of it. Phone networks, the power grid, the financial system, airport security, the 911 system, gas and oil pipelines and of course the Internet ...

Computers run a variety of programs in the background while it is running. This functionality is provided to enhance the productivity and efficiency of a computer. But this functionality is often ...