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






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






3. 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






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






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






6. 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.






7. Pressing lightly on the ____ may revive the pixel.






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






9. 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 ____.






10. 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.






11. ____ 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).






12. 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.






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






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. As with composite and s-video - audio must be supplied to the device...






16. 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.






17. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is






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






19. ____ and ____ are electrically equivalent - meaning that a simple pin-to-pin adapter is all that is required to connect a DVI device to an HDMI port.






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






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






22. 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






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






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






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






26. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.






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






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






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






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






31. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is






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






33. ____ female port.






34. 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).






35. ____ (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.






36. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.






37. ____ 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.






38. 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






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






40. 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






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






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






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






44. 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.






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






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






48. 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.






49. 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.






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