Which of the following ports is also known as PS/2?

A.
6-pin Mini-DIN connector

B.
5-pin DIN connector

C.
4-pin Mini-DIN connector

D.
USB connector

Explanation:

The 6-pin Mini-DIN connector is also known as PS/2 port. It uses four of the six pins on a keyboard
connector. Pin 1 is used for keyboard data signal, pin 3 is used for grounding, pin 4 has +5 Volt DC,
and pin 5 is used for keyboard clock. Pin 2 and pin 6 are not used. The PS/2 6-pin Mini-DIN
connector is used to connect a keyboard and mouse. Answer option B is incorrect. The 5-pin DIN
connector is used on a computer that has a Baby-AT form or motherboard. Answer option D is

incorrect. A Universal Serial Bus (USB) connector is used with the USB cable for connecting various
electronic devices to a computer. USB supports a data speed of up to 12 megabits per second. Two
types of connectors are used with USB, namely USB-A Type and USB-B Type.