A network is a set of computers connected through a transmission medium, to transmit and receive information from other computers in the network. You can also define a network as a set of devices (often called nodes) connected by links from a physical medium. A node can be a computer, a printer, or any other device capable of sending and receiving data generated by other nodes of the network. The links connected to the devices, often referred to as communication channels. [Read more…] about What is a Communication Network? Network Effectiveness Criteria
The transfer rate, or “data rate” refers to the speed with which data is transferred from its source to its destination, such as from one computer to another over a network, or from the computer to the disk drive. It’s measured like we would measure any rate of speed-in units of information per the unit of time, like miles per hour. On a computer you may hear transfer rates expressed in terms like bits per second, megabytes per second, or characters per second.