Your customer is using Windows Vista and complains about the quality of picture he is getting on his
monitor. You find that you cannot adjust the refresh rate or the resolution. What is the most likely
cause?

Your office uses Windows Vista. This morning, a patch was applied automatically. Suddenly, the
users who have scanners attached to their computers complain that they cannot access the
scanners. When you check their Device Manager, you notice there is no exclamation point next to
the scanner. What should you do now?

Which of the following measures the time a cathode-ray tube (CRT) electron beam takes to paint a
screen from top to bottom?

Which of the following devices uses AGP slots?

Which of the following is a measure of a display system, defined as the ratio of the luminance of the
brightest color (white) to that of the darkest color (black)?

Which of the following devices also works as a video capture card?

Which of the following devices provides input by analyzing printed text, handwriting, or an object?

Which of the following devices contains no moving parts and stores data in a digital format?

Which of the following devices is used to provide visual input that can be easily transferred over the
internet?

Which of the following bus interfaces are used by the video capture cards?
Each correct answer represents a complete solution. Choose two.