QVGA
From The Glossary of Digital Photography
An abbreviation for quarter video graphics array. A small video file format that displays images at 320 x 240 pixels. The format is used in PDAs and mobile phones. See PDA

ONLINE GLOSSARY OF DIGITAL PHOTOGRAPY
An abbreviation for quarter video graphics array. A small video file format that displays images at 320 x 240 pixels. The format is used in PDAs and mobile phones. See PDA