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. 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.






2. 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.






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






4. 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






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






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






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






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






9. A ____ connection on a video card provides analog output and are rarely (if ever) used for computers monitors - but might be used on some HDTV systems.






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






11. The magnetic field used for drawing the image on the screen can cause a buildup of magnetism on internal monitor components. This magnetic field can cause color distortions - especially around the edges. To correct this problem - use the ____ feature






12. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.






13. 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.






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






15. 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






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






17. DVI-D ____ link cable.






18. 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.






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






20. 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.






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






22. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.






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






24. 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.






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






26. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.






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






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






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






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






31. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.






32. The magnetic field used for drawing the image on the screen can cause a buildup of magnetism on internal monitor components. This magnetic field can cause color distortions - especially around the edges. To correct this problem - use the ____ feature






33. 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






34. ____ 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.






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






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






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






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






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






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






41. 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 ____.






42. 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.






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






44. 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.






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






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






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






48. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.






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






50. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.