the answer is audio input/ output
it is RJ-45
This adapter is also called a TRS adapter,phone jack adapter or a 1/4" adapter among many other names. The 6.3mm jack, originally called the TRS connector was invented for use in telephone switchboards in the 20th century and is still widely used in its original ¼″ (exactly 6.35 mm) size. An adapter would connect another type of plug to the TRS plug (male or female depending on the situation.
Port
A physical port, as opposed to a virtual or logical port is an interface on a computer into which you can insert a connector for a device.
hard drive.
S-Video
Usually used as a floppy drive interface.Also the TRS-80 Model 3 used this connector for its printer connector.
TRS is the name of the type of connector (e.g. 1/4"/6.3mm jack) and speaker cable is exactly what it is, speaker cable.
PCIe 16x Video Card
The connection to the VDU or display unit.
S-Video
Because Jesus wanted it that way.
which of the following device uses a 6-pin Mini DIN connector a. ps/2- style mouse
A DB9 connector on your computer has one specific function, interface with one serial device.
A 3.5 MM stereo mini phone plug is normally used for headphones connectors. Which is a version of the TRS connector (tip, ring, and sleeve).
touch screen
A lot of hard disk docking stations use these kind of power supplies.