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






2. ____ female port.






3. 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.






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






5. ____ (1280 x 720 progressive scan) and ____ (1920 x 1080 with interlacing) identify displays that do not support full HD content - with both 720p and 1080i being comparable in quality.






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






7. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.






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






9. 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.






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






11. 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.






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






13. You can connect an analog CRT or LCD monitor to a video card with a DVI-I connector. This requires a cable with a ____ connection on one end and a ____ connection on the other end.






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






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






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






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






18. 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.






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






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






21. The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.






22. 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.






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






24. 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.






25. 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






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






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






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






29. 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






30. A DVI-A (digital video-analog) is used for an ____________. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.






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






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






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






34. 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






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






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






37. ____ (1280 x 720 progressive scan) and ____ (1920 x 1080 with interlacing) identify displays that do not support full HD content - with both 720p and 1080i being comparable in quality.






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






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






40. 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.






41. 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.






42. 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.






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






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






45. DVI-D ____ link cable.






46. 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.






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






48. 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






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






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