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






2. 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.






3. 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.






4. 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






5. 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.






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






7. ____ 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.






8. 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.






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






10. ____ 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.






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






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






13. 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.






14. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar






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






16. 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.






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






18. ____ (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.






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






20. 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.






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






22. 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.






23. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar






24. 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






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






26. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.






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






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






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






30. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.






31. 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.






32. 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






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






34. ____ 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.






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






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






37. 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.






38. The ____ connector is used to allow multiple video ports from a single connection.It is typically included on slimline video cards that can have only a single port. It sends out two separate DVI-I signals through the single connector.






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






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






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






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






43. 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.






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






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






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






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






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






49. ____ 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.






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







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