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






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. 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.






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






5. 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.






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






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






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






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






10. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.






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






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






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






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






15. 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 ____.






16. 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.






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






18. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.






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






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






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






22. 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.






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






24. 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.






25. TN panels have ____ viewing angles and contrast ratios than the other display types.






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






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






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






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






30. ____ 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.






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






32. 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 ____.






33. 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.






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. 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.






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






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






38. 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.






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






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






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






42. 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






43. 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






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






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






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






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






48. 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.






49. 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.






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