Created way back in the 1980’s, the VGA connection cable was the standard cable used to connect a computer to a monitor. More recently, it has faded out of popularity due to the gradual shift towards digital connections over analog. Still, if you look on any video card or display apparatus, there is a good chance you’ll see a VGA port.
 
VGA connections can be identified by 15 pins arranged in 3 rows with 5 on each row. Each row corresponds to the 3 different color channels used in display: red, green, and blue.