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ALL IN ONE CompTIA A+ Certification: Exam Guide (Exams 220-801 & 220-802), Eight Edition by Meyers Michael

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CHAPTER 21Video

In this chapter, you will learn how to

• Explain how video displays work

• Select the proper video card

• Install and configure video

• Troubleshoot basic video problems

The term video encompasses a complex interaction among numerous parts of the PC, all designed to put a picture on the screen. The monitor or video display shows you what’s going on with your programs and operating system. It’s the primary output device for the PC. The video card or display adapter handles all of the communication between the CPU and the monitor (see Figure 21-1). The operating system needs to know how to handle communication between the CPU and the display adapter, which requires drivers specific for each card and proper setup within Windows. ...

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