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






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






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






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






6. 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.






7. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.






8. 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






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






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






11. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.






12. 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.






13. 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






14. 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






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






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






17. 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






18. 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.






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






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






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






22. Full HD content is designed for a resolution of 1920 x 1080 using ____ (where each line on the screen is redrawn in order). Full HD support is therefore referred to as 1080p.






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






24. ____ on the screen can be mistaken for a dead pixel.






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






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






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






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






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






30. 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.






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






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






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






34. 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.






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






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






37. 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






38. 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 ____.






39. 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.






40. DisplayPort does not use ______ than DVI and HDMI.






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






42. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.






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






44. 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






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






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






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






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






49. 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






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