Generally, it refers to the types of cables (PS/2 cable), ports (PS/2 port), and other connectors used with these types of keyboards and mice.
N'ozuzu, ọ na-ezo aka n'ụdị eriri (PS / 2 USB), ọdụ ụgbọ mmiri (PS / 2 n'ọdụ ụgbọ mmiri), na njikọ ndị ọzọ ejiri ụdị keyboard na ụmụ oke ndị a.