A network is a social connection that allows you to exchange data . A computer network is a number of computers linked together to allow them to share resources . Networked computer can share hardware, software and data .
In a bus network all the workstations, servers and printers are joined to one cable (the bus).At each end of the cable a terminator is fitted stop signals reflecting back down to the bus
In a ring network each device (workstation,server,printer) is connected to two other devices , this forms a ring for the signals to travel around . Each packet of data on the network travels in one direction .
In a star network each device on the network has its own cable to connect to a switch or hub . A hub sends every packet of data to every device.