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| 11 . What is the standard resolution of the VGA adapter? A. 480X640 16 colors B. 320X480 16 colors C. 600X800 16 colors D. 640X480 65,536 colors |
| 12 . What is the standard resolution of the SVGA adapter? A. 600X800 256 colors B. 640X480 65,536 colors C. 480X640 16 colors D. 1024X768 16 colors |
| 13 . How long should you wait for the CRT to discharge before opening the case? A. A few seconds B. A few minutes C. 30 minutes D. 60 minutes or more |
| 14 . If your monitor has random dots in it the problem most likely resides in: A. Monitor B. Video Card C. Software D. Interrupt Level |
| 15 . What would you ask to determine if the display is working? A. Is there a video cursor or action on the screen? B. Did the computer beep or chime? C. Is there high voltage static on the screen D. Is the brightness or contrast turned up or down? E. All of the above |
| 16 . Color Monitors use ___ Electron Guns A. 2 B. 3 C. 4 D. 6 |
| 17 . Which components could cause a blank screen? A. Power supply B. Video card C. CPU D. RAM E. All of the above |
| 18 . A customer calls and says that his monitor light is on but he has no display. His PC apparently seems to boot OK and is running. What is the first thing you would do? A. Check the power cord B. Reseat the video card C. Discharge the CRT D. Check the monitor controls |
| 19 . Which would you do first when troubleshooting a faulty monitor? A. Check its connections to the computer and power source B. Use a meter to check the CRT and internal circuitry for continuity C. Power down the monitor, then turn it on again to see if that corrects the problem |
| 20 . A monitor's CRT can pack quite a wallop of a charge even if it's been turned off for several days or more. Before you service a monitor, you must discharge the CRT using a tool specific for that purpose. Before you do the discharge, what must you do first? A. make sure the monitor is not connected to a PC B. make sure the monitor is unplugged C. make sure the monitor is turned off D. make sure your life insurance policy is paid up |
| 21 . You have a PC with no video. Which of the following is LEAST likely to be causing the problem? A. crashed hard drive B. defective ram (bank zero) C. loose video card D. low AC outlet power |
| 22 . Your customer calls with a "wobbly video display" What do you recommend that they try to do to fix it? A. Replace the Monitor B. Discharge the CRT C. Replace the Monitor cable and power supply D. Relocate electronic devices that might be near the monitor |
| 23 . Which monitor would provide the highest level of performance? A. CGA B. VGA C. SVGA D. XGA |
| 24 . What component of a monitor is responsible for illuminating the flourescent surface of the display tube? A. Plasma gun B. Proton gun C. Laser gun D. Electron gun |
| 25 . What type of monitor produces a non-flickering image on the screen? A. Interlaced B. Non-interlaced C. Interweaved D. Non-interweaved | 26 . To support a video resolution of 1024x768 pixels at 65,000 colors, you would need a video card with at least __MB of video RAM. A. 1 B. 2 C. 4 D. 8 |
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| MONITOR REFERENCE TABLE | ||
| ADAPTER | RESOLUTION | COLORS |
| MDA (Monochrome Display Adapter) | 720x350 | 2 |
| CGA (Color Graphics Adapter) | 320x200 | 4 |
| 640x200 | 2 | |
| EGA (Enhanced Graphics Adapter) | 640x350 | 16 |
| VGA (Video Graphics Adapter) | 640x480 | 16 |
| 320x200 | 256 | |
| SVGA (Super VGA) | 640x480 | 65,536 |
| 600x800 | 256 | |
| 1024x768 | 16 | |
| XGA (Extended Graphics Array) | 600x800 | 65,536 |
| 1024x768 | 256 | |
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