Server.
A personal computer that is connected to a network is called a workstation or terminal.
LAN
a home group or work group
It is known as a local printer, as opposed to a network printer, which is a printer connected to a network.
when one symstem of one computer is connected to the system of other network it is called intra network
Host computer is a central computer or server which connected all other devices within a network.
Local Area Network (LAN) allows two or more computers to access the internet through a single router and, by creating a shared folder/directory, to share data between any computer connected to the LAN.
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.)
A computer is a computer even if it's not connected to anything. But it's usually referred to a "Stand-Alone" device. Additionally, if a computer is NOT part of any particular domain, it's default "domain" (at least for windows) is WORKGROUP.
Network Node Computer Workstation Online
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.