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. 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.






2. 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.






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






4. 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.






5. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.






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






7. 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.






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






9. 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.






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






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






12. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.






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






14. 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.






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






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






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






19. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.






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






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






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






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






24. 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 ____.






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






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






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






28. 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.






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






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






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. 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.






33. DVI-D ____ link cable.






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






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. 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.






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






38. 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.






39. 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.






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






41. 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.






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






43. 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 ____.






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






45. 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.






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






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






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






49. 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






50. 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.