Computer Networks

* A computer network, often simply referred to as a network, is a collection of hardware components and computers interconnected by communication channels that allow sharing of resources and information.
* Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device, then the two devices are said to be in a network.

Download Link :
http://www.ziddu.com/download/1463871/ComputerNetworks.pdf.html