Philips 190VW9FB User Manual page 82

Glossary
file:///F|/work file/190VW EDFU Q70G9002813 4A PHILIPS/190VW9 EDFU eng ok...9 EDFU eng ok/190VW9 EDFU/lcd/manual/ENGLISH/190VW9/glossary/glossary.htm（第 9／9 页）2008-2-23 19:42:12
Upstream
The direction of data flow towards the host. An upstream port is the port on a device electrically
closest to the host that generates upstream data traffic from the hub. Upstream ports receive
downstream data traffic.
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V
Vertical refresh rate
Expressed in Hz, it is the number of frames (complete pictures) written to the screen every second.
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