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PCs For Dummies® Windows®, 7 Edition by Dan Gookin

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Chapter 10. The PC's Display

In This Chapter

  • Learning about the monitor

  • Discovering the display adapter

  • Adjusting the monitor

  • Adding a second monitor

  • Personalizing windows

  • Adjusting the resolution

  • Changing the background

  • Using a screen saver

Contrary to what you've seen on TV and film, text makes no noise when it appears on a computer screen. Text also appears rather quickly, not one letter at a time. If you really want a noisy computer, you need to return to the deafening days of the teletype, which served as the main input and output gizmo for the ancient, steam-powered mainframe computers of the 1960s. Things today are much better, and quieter.

The computer's main output gizmo is the monitor. The thing that drives the monitor is the PC's video system, which is rather spritely, full of color, and far quieter than an old teletype. It also wastes a lot less paper. This chapter covers the computer monitor, as well as the electronics and software that control the monitor, which serves as the PC's primary output device.

The PC's Display System

You may stare at it during the entire the time you use your computer (unless you can't touch-type), but the monitor is only the visible half of your computer's video system. Inside the PC console, you find the other half, a bit of electronics called the display adapter.

The monitor is the dumb part. All it does is display information.

The display adapter is the heart of the PC's display system. It tells the monitor what to display and where, plus how many ...

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