OSI reference model intro for computer network

computer networks

1. Computer network By P. GOPINATH,M.C.A., ASSISTANT PROFESSOR DEPARTMENT OF COMPUTER SCIENCE

2. OSI Reference model OSI Model  stands for Open System interconnection model. It used to data is transferred from one computer to another computer. It basic scenario two computers connected with a LAN and connectors transfer data using the NIC. OSI model  was introduced by International Organization for standardization (ISO) in 1984.

3. There are  seven layers  in a OSI model