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






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






3. ____ (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.






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. 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.






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






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






8. 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.






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






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






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






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






13. ____ 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.






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






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






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






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






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






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






20. 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.






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






22. 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.






23. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.






24. 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.






25. 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






26. 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.






27. 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.






28. 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.






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






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






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






32. 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.






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






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






35. As with composite and s-video - audio must be supplied to the device...






36. ____ panels have the best color reproduction quality and viewing angles of the display types - and are well suited for graphic design where full and accurate color representation is required.






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






38. 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.






39. Some LCD monitors have a D-sub connection - or you might need a cable with this connection on one end and a _______ on the other end to connect to the LCD monitor.






40. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.






41. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards






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






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






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






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






46. 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.






47. 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






48. 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.






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






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