Client and Server computer role in networking

nServer computer is a core component of the network, providing a link to the resources necessary to perform any task.

nA server computer provides a link to the resources necessary to perform any task.

nThe link it provides could be to a resource existing on the server itself or a resource on a client computer.

nClient computers normally request and receive information over the network client. Client computers also depends primarily on the central server for processing activities 

Peer-to peer network

A peer-to-peer network is a network where the computers act as both workstations and servers. 

great for small, simple, and inexpensive networks. 

In a strict peer-to-peer networking setup, every computer is an equal, a peer in the network. 

Each machine can have resources that are shared with any other machine. 

nThere is no assigned role for any particular device, and each of the devices usually runs similar software. Any device can and will send requests to

any other.