More about Eccentricity (e). The linear eccentricity of a conic section (c) is the distance between the center of the conic section and either one of its foci. Then the eccentricity of a conic section can be defined as the ratio between the linear eccentricity and the length of the semi-major axis (a), e=c/a.
A Ethernet port is a jack or socket on a computer that allows the use of an Ethernet connector.These ports are essential in allowing the creation of local area networks (LANs). An Ethernet port is usually found on networking devices, including computers, routers, video game consoles, modems, and televisions.hese 10 facts about space will blow your mind. A Ethernet port is a jack or socket on a computer that allows the use of an Ethernet connector. These ports are essential in allowing the creation of local area networks (LANs).
The WAN is the network outside the LAN; this is both other internal networks and the full Internet. A WAN port is the portal by which information passes back and forth between the LAN and the WAN. Most users will find a WAN port on a network router. A common home router has one WAN port and four LAN ports. Some routers refer to them as an uplink (for the WAN port) and wired connections (for LAN ports).