Legacy Architecture – Mainframe
Terminal is used for input and output,processingis done by the main frame
Client-Server Architecture Client requester- Laptop / Workstation
Server-Provider-email ,DNS, File, application, printer, Web
Thick or Fat Client-input, output, processing, and storage
Thin Client input, output
Peer-to-Peer (P2P) – Ad hoc wireless connection-Up to 10 computers