A tutorial on the Open Systems Interconnection (OSI) networking reference model ... You might know that your Boston computer wants to connect to a server in California, but there are millions ...

In computer networks, links refer to the physical or logical connections between network devices. These connections enable the transmission of data between devices. Think of them as the arteries ...

The internet is a global network ... computer to a server. It asks for a copy of the webpage. The information is too big to send in one go, so it is split up into smaller parts. These are called ...