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






2. 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.






3. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.






4. 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.






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






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






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






8. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).






9. Additional monitor features include built in ____ or ____ hub.






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






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






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






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






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






15. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.






16. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar






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






18. The LCD ____ provides the light that makes the individual pixels visible. The light itself is actually along the top - bottom - and/or sides - with a special layer that reflects the light throughout the display.






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






20. The ____ is the ratio of the width and the height.






21. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.






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






23. 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.






24. The ____ contrast ratio indicates the difference that can be displayed at the same time.






25. 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.






26. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.






27. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used






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






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






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






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






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






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






34. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.






35. 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






36. 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.






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






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






39. 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.






40. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).






41. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.






42. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.






43. 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.






44. Additional monitor features include built in ____ or ____ hub.






45. A quicker ____ is needed when viewing moving images such as video or games. If it is too slow (above 8ms) the result are ghosting or blurred images.






46. ____ female port.






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






48. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.






49. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.






50. A ____ connection on a video card provides both analog and digital output.