What is mean by logical ports? And what is mean by physical ports?

Question

In computer sciences what is mean by logical ports? And what is mean by physical ports? Any relative site should be highly appreciated.

Answer 1

Physical ports are the actual hardware sockets you plug stuff into.

Logical ports are "virtual", i.e. assigned by the operating system. This is done so that you can have multiple hardware devices plugged into your machine using the same physical ports, but because they point to different logical ports, there is no conflict.

Answer 2

A logical port is not a tangible object like a physical port. A physical port would be any of the connection interfaces on your computer like USB, Firewire, Ethernet etc. A logical port exists at a software level and its purpose is to help organize data flow. For example, the standard for identifying your computer on the Internet is by your IP address ie. 192.168.1.1 . Now, there can be many programs that have access to the Internet through your computer such as IMs, Browsers, P2P for example at the same time. How does your computer know where each data packet is supposed to go to? that is where the ports come into play. Web pages for example run on port 80, and the connection to your email servers run on 25 and 110. Altogether is would appear like this 192.168.1.1:80 for example if you were to visit a web page.

Answer 3

A socket is a shelter to a connection or a particular application "window" wherein information might nicely be sent or gained. A "port" is a numerical address to which information might nicely be sent or gained. for example, evaluate a information superhighway server. It frequently accepts connections on a single port (TCP port 80 for a typical information superhighway server). yet whilst it has ten connections on the comparable time from ten different consumers, it is going to communicate with each and each of those ten connections via itself socket. (in any different case, the information ought to circulate to the incorrect shopper, or it does not comprehend which shopper information it gained got here from.)

Answer 4

Logical Ports In Computer