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






2. 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.






3. 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.






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






5. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.






6. 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






7. 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 ____.






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






9. 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.






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






11. 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.






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






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






14. 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






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






16. 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






17. 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.






18. 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.






19. 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.






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






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






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






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






24. 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






25. 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.






26. 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.






27. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.






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






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






30. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.






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






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






34. 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.






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






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






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






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






39. 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.






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






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






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






43. 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.






44. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.






45. 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






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






47. 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






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






49. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.






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