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Comptia A +: Hardware Display Devices

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. There are currently two methods used for the backlight - 2) ____ backlights provide brighter screens - lower power consumption - a wider color range - greater contrast - and mercury-free construction. They use DC power - eliminating the need for an i






2. Screen size is often expressed in two different measures - the ____ screen size (also called the actual size) and the ____ viewing size that identifies the largest image size that can be displayed.






3. ____ panels are the most expensive type of panel - and could be difficult to find.






4. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.






5. RT monitors use an electron beam that hits phosphor dots inside of a vacuum tube. While it is possible for a CRT monitor to have a digital connection - virtually all CRT monitors connect to the video card using a ____ (also called a D-sub) connector.






6. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.






7. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.






8. DVI-D ____ link cable.






9. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.






10. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.






11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.






12. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.






13. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.






14. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.






15. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.






16. Green monitors are Energy Star or Green Star compliant. These monitors use less than ____ watts and reduce power consumption by ____% when in sleep or suspended mode.






17. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.






18. TN panels have ____ viewing angles and contrast ratios than the other display types.






19. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.






20. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.






21. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.






22. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is






23. Green monitors are Energy Star or Green Star compliant. These monitors use less than ____ watts and reduce power consumption by ____% when in sleep or suspended mode.






24. The ____ rate is the amount of time (measured in Hz) required for the CRT's electron beam to paint the screen from top to bottom. Increasing the rate reduces screen flicker.






25. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.






26. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.






27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.






28. ____ displays have a 4:3 aspect ratio (used in CRT displays).






29. TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.






30. ____ displays have a 4:3 aspect ratio (used in CRT displays).






31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.






32. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.






33. There are currently two methods used for the backlight - 2) ____ backlights provide brighter screens - lower power consumption - a wider color range - greater contrast - and mercury-free construction. They use DC power - eliminating the need for an i






34. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.






35. If you are concerned about dead pixels - review the ____ before purchasing.






36. TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.






37. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.






38. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.






39. If you watch HDTV content (DVD movies) on a 16:10 monitor - the display will either be stretched slightly or have black bars (areas without video content) on the top and the bottom. If you want to optimize DVD viewing from your computer - consider pu






40. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.






41. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).






42. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.






43. Composite signals combine three qualities of video into a single signal; the ____ channel is for ____ or luminance and U and V channels provide color information.






44. The ____ refers to the difference in light intensity between the brightest white and the darkest black. An example is 1000:1. A higher initial number indicates a better quality picture.






45. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.






46. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).






47. There are ____ to identify and possibly fix dead pixels on a monitor.






48. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.






49. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.






50. The ____ identifies the angle at which the image can still be seen. With LCD monitors - the image will be dimmer and colors distorted when viewed from an angle. It is described with two numbers: horizontal angle and vertical angle - with a higher num







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