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Comptia A +: Hardware Display Devices

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. 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.






2. The HDTV connector uses a ____-pin mini-din cable.






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






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






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






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






7. 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.






8. ____ DVI-D connectors have 3 rows of 8 pins plus the horizontal pin (often called a 25-pin - 24+1-pin - or 24-pin connector).






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






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






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






12. 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.






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






14. 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.






15. 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






16. ____ 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






17. 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.






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






19. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.






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






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






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






23. 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.






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






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






26. 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 ____.






27. ____ 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.






28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA = ____ x ____ (5:4 aspect ratio).






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






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






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






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






33. ____ (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.






34. ____ female port.






35. 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.






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






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






38. 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.






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






40. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.






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






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






43. 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.






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






45. 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






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






47. 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.






48. 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.






49. 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.






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







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