The __________ clause prevents duplicate values from appearing in the query results.

A technician notices that the display seems to be dark and bluish in color. The motherboard has both a VGA and an HDMI port. When the technician powers down the system and attaches the HDMI cable instead of the VGA cable, the problem is resolved. What was the problem?

A) The display was not configured for VGA. B) The correct setting was not chosen in BIOS/UEFI Setup. C) One or more pins on the VGA port is damaged. D) The monitor does not support VGA.

Which of the following refers to the number of allowable levels of digitized data?

A. sampling rate B. bit depth