Workstation: A workstation is a node in networking that is more powerful and can handle local information processing or graphics processing. A workstation usually has an inexpensive, small hard disk to carry out local tasks. Some workstations that have no disk drive of their own is known as diskless-workstation or dumb terminals. They terminals completely rely on LAN for their access. Network operating system lets the node work as if all the resources at the server belong to the node itself.
The term workstation also reference to a mainframe terminal on a LAN. A workstation is faster personal computer. It has greater multitasking capability because of additional RAM and higher-speed graphics adapters.
Dumb Terminals: Those Workstations that have no disk drive of their own and rely completely on LAN for their access are called dumb terminals. The network operating system lets these terminals work as if all the resources at the server belong to the workstation itself