PS/2 port
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The PS/2 port is a six-pin mini-DIN connector used for connecting keyboards and mice to a PC compatible computer system. Its name comes from the IBM Personal System/2 series of personal computers, wit
The color-coded PS/2 connection ports (purple for keyboard and green for mouse)
Mouse PS/2 plug
Passive PS/2 to USB adapters
Active USB to PS/2 converter
USB
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Universal Serial Bus is an industry standard, developed by USB Implementers Forum, for digital data transmission and power delivery between many types of electronics. It specifies the architecture, in
PS/2 port
…featured PS/2 mouse and keyboard ports, including the Motorola StarMax and the Power Computing PowerBase. PS/2 is now considered a legacy port, with USB ports now normally preferred for connecting keyboards and mice. This dates back at least as far as the Intel/Microsoft PC 2001 specification of 2000…
The four wires/contacts of a USB 1.x or 2.0 cable with Standard-A plug.
Two USB 3.0 Standard-A receptacles (left) and two USB 2.0 Standard-A receptacles (right) on a computer's front panel
An early USB mass-storage device (flash drive) with a USB-A type connector
An M.2 (2242) solid-state-drive (SSD) connected into a USB 3.0 adapter connected to computer