There are many different connectors that have been used for connecting keyboards to computers. Some of the most common or formerly most common are listed below:
In Motion tablets and HP tablets there is a detachable keyboard. the keyboard usually will have two prongs on either side at the top of the keyboard that stabilize it and hold it secure. there is also a connector in the center that transfers the data from the keyboard to the tablet.
To serve as a place to connect a keyboard or mouse.
PS/2 connector, purple
Keyboard connector is not correctly seated
the keyboard connector is not seated properly
On PCs, it is ALT + F4. (caution, this will close the window ;) )
The motherboard form factor AT only has the 5-pin AT keyboard connector built in.
You can have a USB Serial (COM) port and you can connect PCs together using Serial (COM) port.
Typically this would be peripherals in the context of PCs. Peripherals are things such as the keyboard and mouse (input), and the monitor and speakers(output).
purple and green
Keyboard witch is the mini-din
Logitech's G15 keyboard is very popular with online gamers.