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

A.
5-pin DIN connector

B.
4-pin Mini-DIN connector

C.
6-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 A is incorrect. The 5-pin DIN connector is used on a computer that has a Baby-AT form
factor motherboard.
Answer 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.

Answer B is incorrect. The 4-pin Mini-DIN connector is used for the S-Video port.