Keyboards commonly come with two connectors: a round PS2 with several round pins and a single rectangular block, and USB connectors: flat with four brass strips.
PS2 keyboards should only plug in to the keyboard port on a computer, look for a port on the convectional panel similar to that of the connector.
It is important to note that on some older machines a second PS2 port with a similar pin layout may be present. this is for mice and will not function with a keyboard. ensure that you select the correct one as a keyboard PS2 can be forced in to a mouse PS2 port (dont worry to much if you do this, just switch to the other port)
USB connectors can be connected to any available USB port.
Not all computers will auto detect keyboards when they are plugged in, if this is the case restart the computer. Commonly any lights on the keyboard will activate at startup indicating the keyboard has been detected.
A keyboard can be connected to PS2 port or a USB port
The port is located may be located on the back or front of your computer. For instance a USB port is usually on the front. A port is then connected to a certain device. For instance your keyboad is connected to a keyboard port so that your computer keyboard can work. All ports are connected to the motherboard, which allows whaever device port you connected to to run...
The role of the ethernet port on a PC is to allow internet to be connected. Without an ethernet port, there is no place for the computer to be connected to the internet.
Computer peripherals are connected to ports. For instance, a printer may be connected to a serial or parallel port. Modern keyboards and mice are commonly connected to the computer using the USB port.
The multiplication sign on my keybord is * or ctrl 8
The computer does not have to be connected to the internet at all for the port to be open, or listening.
camera
Telnet use port number 23,and connected to TCP
No the plug under the USB is not a phone port and is an ethernet cable port
St. Petersburg is a port on the Baltic Sea
Telnet use port number 23,and connected to TCP
127.