Question

What is the number of holes in VGA connector?
1. 13
2. 14
3. 15
4. 16
5. 17

Answer 1

Correct Answer - Option 3 : 15

The correct answer is 15.

• Short for Video Graphics Adapter or Video Graphics Array, VGA is a popular display standard developed by IBM and introduced in 1987.
• VGA provides 640 x 480 resolution color display screens with a refresh rate of 60 Hz and 16 colors displayed at a time. If the resolution is lowered to 320 x 200, 256 colors are shown.
• The illustration shows the 15-pin VGA connector, its pin assignments, and size dimensions.
• The VGA connector has 15 holes, and each hole (pin) has its own function, as explained in the below chart.

 

Pin	Function
1	Red Video
2	Green Video
3	Blue Video
4	Monitor ID 2
5	TTL Ground (monitor self-test)
6	Red Analog Ground
7	Green Analog Ground
8	Blue Analog Ground
9	Key (Plugged Hole)
10	Sync Ground
11	Monitor ID 0
12	Monitor ID 1
13	Horizontal Sync
14	Vertical Sync
15	Monitor ID 3