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Definition of PS/2

The type of connector used to plug in mouse and keyboard on most modern PCs, now gradually being superseded by- USB. PS/2 was originally the name of a PC from IBM with a number of innovative but non-standard features, including special connectors for mouse and keyboard. The PC didn’t catch on particularly well, mainly because its unusual architecture meant that it could not accept standard expansion cards, but its mouse and keyboard connectors proved popular and were widely adopted.

Computer Science

Other definitions of PS/2

PS2 (without the /) is often used to refer to Sony’s PlayStation 2, a popular games console.

Computer Science