The PCs connected to a LAN The personal computers on a given LAN need not be hardware or software compatible, eg A LAN could host both IBM and Apple systems Further, in addition to functioning as LAN devices, workstations may also be used in stand-alone mode
Micro or minicomputers which are nodes on a computer network and which can be used to perform a number of tasks by using their own resources as well as by tapping into the other devices which are shared on the network
A class of computers small enough in size and cost to be used by a small group or an individual in their own work location yet powerful enough for large-scale scientific and engineering applications Typically with a Unix operating system and good graphics