Test your basic knowledge |

Comptia A +: Hardware Display Devices

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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 - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.






2. DVI-D ____ link cable.






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






4. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.






5. ____ is an alternative to an HDMI connector.






6. The ____ contrast ratio indicates the difference that the monitor is capable of producing.






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






8. 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.






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






10. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.






11. Having a few dead ____ can be common on many displays.






12. The ____ contrast ratio indicates the difference that the monitor is capable of producing.






13. Without a built-in tuner - video input is limited to a ____ channel - and changing TV channels must be done at the ____ device before inputting into the video card.






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






15. Pressing lightly on the ____ may revive the pixel.






16. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.






17. 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






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






19. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.






20. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.






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






22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. WSXGA+ = ____ x ____. UXGA = 1600 x 1200 WUXGA = 1920 x 1200






23. 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.






24. 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






25. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.






26. You can connect analog CRT monitors to a video card with a...






27. Monitor size is typically described using a ____ measurement.






28. ____ 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.






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






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






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






32. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.






33. On a(n) ____ monitor you might be able to see two horizontal lines running across the display. These lines are the wires that are used to dynamically change the grill opening.






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






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






36. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.






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






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






39. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA = ____ x ____ (5:4 aspect ratio).






40. 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.






41. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.






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






43. Video cards with HDTV output typically include a conversion cable that converts the 7-pin connector into three ____ cables for connecting to an HDTV device.






44. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.






45. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.






46. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.






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






48. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).






49. ____ cable and female port.






50. The D-sub connector on a video card provides....