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






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






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






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






5. 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 ____.






6. The D-sub connector on a video card provides....






7. ____ 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.






8. 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.






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






10. ____ is an alternative to an HDMI connector.






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






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






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






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






15. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.






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






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






18. 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.






19. 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.






20. 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.






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






22. 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






23. 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.






24. 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.






25. DVI-D ____ link cable.






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






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






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






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






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






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






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






33. 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.






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






36. Do not confuse video in - which can be supplied by composite - s-video - or HDTV connectors - with ____ capabilities. The built-in tuner means that the card or monitor itself has the ability to accept multi-channel input and change the display by cha






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






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






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






40. 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






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






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






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






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






46. 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 ____.






47. Having a few dead ____ can be common on many displays.






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






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






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