Video graphics array (VGA)
From The Glossary of Digital Photography
Refers to a computer monitor with a resolution of 640 x 480 pixels. The VGA is a very low-resolution monitor by today's standards.

ONLINE GLOSSARY OF DIGITAL PHOTOGRAPY
Refers to a computer monitor with a resolution of 640 x 480 pixels. The VGA is a very low-resolution monitor by today's standards.