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 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.






2. 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.






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






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






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






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






7. 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






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






9. 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






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






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






12. 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






13. 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






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






15. 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.






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






17. ____ video cable and female port.






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






19. DVI-D ____ link cable.






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






21. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.






22. 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.






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






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






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






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






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






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






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






30. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.






31. 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.






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






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






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






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






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






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






38. ____ (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.






39. 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.






40. 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 ____.






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






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






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






44. 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.






45. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.






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






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






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






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






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