Power Connectors

A socket is one endpoint of a two-way communication link between two programs running on the network. A socket is bound to a port number so that the TCP layer can identify the application that data is destined to be sent to . An endpoint is a combination of an IP address and a port number . A pin is a type of electrical contact are (typically) metal surfaces which are pressed against matching surfaces on the matching connector ( the cable plugged in the hard-drive ) thus making an electric circuit.