From a network topology perspective, a personal computer that is connected to the network is a node. From a software/OS perspective, this would be a network client, but personal computers can act as, or serve the role of, a server, but I think that is out of scope of the question.
A node is a device connected to a network such as a computer or a game console. (Each device connected to a network is referred to as a node. A node can be a computer, printer, game console, or router.)
Server.
Personal Computer is the computer that is not connected unto any other computer. Network Computer are computers that are inter-connected with each others. Network Computer can access any other computers files/data from one another.
A node
This is usually used to describe the Internet. A few computers connected together is a computer network. A few computer networks connected together is a network of networks.
Any computer which is connected to network and has unique ip address for the network.
It is known as a local printer, as opposed to a network printer, which is a printer connected to a network.
A resource network.When for data sharing computer is connected to a network it is a Resource Network.
Two or more computers connected together create a computer network. Computers within a network can interchange data.
LAN
A workstation
A host.