USB 1.0/2.0/3.0
USB or regular end port
No. Often times the keyboard port gives out first. This is because this is a weak connection whereas the UBS is a stronger port.
A keyboard can be connected to PS2 port or a USB port
The purpose of a PS/2 port is to provide a connection for a keyboard or mouse to a personal computer.
In the past external modems connected to the COM (or serial) port. However, most modern external hardware is USB these days, modems are no exception.
A joystick or joypad.
well i don't think the question given is a correct question because like give the difference between the keyboard port and the usb port
A memory stick connect into the USB port on an computer. The USB port is generally located on the side, back or front of the computer. There are also memory sticks used by camera's, and these normally slot into an different port located in the front of an computer.
MIDI port
The VGA port, it's the blue trapezoid shaped port.
If your keyboard is not working you can install a new keyboard, or if that is not possible an external keyboard can be plugged into a USB port on your computer.
The computer just needs to have the port the keyboard has, but it's impossible these days not to have it.