VGA port of a laptop.

VGA

This cable is used to connect a graphics card to an analog computer screen. The VGA connector consists of 15 pins arranged in three rows.

This port is available in two generations : the original version and the DDC2 version, which allows automatic~type monitors.
Some laptops have a miniature version of this connector, the mini~VGA.

A vga cable with matching pines

Pine functions of a VGA connector :

Pin	Function	Link size	Rider color
1	Issue	Thick analog link	Red
2	Issue	Thick analog link	Green
3	Issue	Thick analog link	Blue
4		Thin digital link	Black 4,10,11, Armour
5		Thin digital link	Green
6	Back	Thick digital link	Red
7	Back	Thick digital link	Green
8	Back	Thick digital link	Blue
9	Nothing	Thin digital link	Nothing
10	Gnd	Thin digital link	Black 4,10,11, Armour
11		Thin digital link	Black, 4.10.11, Armour
12		Thin digital link	Brown
13	Horizontal synchronization	Thin digital link	Red
14	Vertical synchronization	Thin digital link	Orange
15		Thin digital link	Yellow

Take VGA on a TV or monitor.

VGA plug

Many TV screen presents a VGA input also called PC input. This connector allows you to use a television as a work screen.

The most common VGA connector.

Specifications

Connector size : 32.5mmW x 16.3mmH x 48.0mmL VGA. Distance from the ferrite core at the end of the connector face : 95mm.
Ferrite core : 20.4mm in diameter by 34.7mm long.
Signal pin : 2.4mm (insulating core).
Screw size : 4/40 (standard in the U.S. ~ Canada).