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Lesson Summary

The following points summarize the main elements of this lesson:

• The CRT is the main component of a monitor.
• Price, screen size, resolution, and refresh rate are primary considerations when purchasing a monitor.
• Resolution is a combination of horizontal pixels, vertical lines, and the refresh rate.
• Color depth indicates the maximum number of colors that can be shown.
• The higher the refresh rate, the more subtle the display will appear to the viewer, and the less flicker will be present.
• A CRT has very high voltage and should be serviced only by trained personnel.

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