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






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






3. 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.






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






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






6. 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.






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






8. 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.






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






10. 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.






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






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






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






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






15. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).






16. ____ cable and female port.






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






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






19. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.






20. ____ 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.






21. 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.






22. 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.






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






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






25. DisplayPort does not use ______ than DVI and HDMI.






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






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






28. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.






29. 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






30. 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.






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






32. 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






33. ____ 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.






34. ____ or luminance identifies the amount of light the monitor produces (how bright it is) and is measured in candelas per square meter (cd/m2 also called a Nit) - with a higher number indicating a brighter screen.






35. 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.






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






37. 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






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






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






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






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






42. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used






43. 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






44. LDC monitors use ____ panels that are the most common type used in computer monitors - especially in smaller sizes. These panels have very good response times (2ms to 5ms) - so are well-suited for games with a lot of motion.






45. A ____ connection on a video card provides analog output and are rarely (if ever) used for computers monitors - but might be used on some HDTV systems.






46. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.






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






48. 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.






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






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