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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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Subjects
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certifications
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comptia-a-+
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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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 ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
1920 1080
LED (Light Emitting Diode)
HDMI (High-Definition Multimedia Interface)
2. 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.
DVI-A connection
Color shift
Backlight
Aspect ratio
3. Monitor size is typically described using a ____ measurement.
640 480
F-type
Backlight
Diagonal
4. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
CRT native
Video card
Dot pitch
VN (Twisted Nematic)
5. ____ displays have a 4:3 aspect ratio (used in CRT displays).
LCD
1400 1050
Normal
Color shift
6. 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.
F-type
Interlacing
1152 864
Progressive scanning
7. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
D-sub connector
DVI-A (digital video-analog)
Video card
1280 1024
8. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Refresh
Analog
Static
Better
9. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
4:3
Brighter
Interlacing
10. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
Speakers USB
Physical effective
LCD
Dot pitch
11. 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.
Widescreen
1920 1200
CCFL (Cold Cathode Fluorescent Lamp)
IPS (In Plane Switching)
12. Monitor size is typically described using a ____ measurement.
Diagonal
Response time
Converter box
Interlacing
13. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
640 480
Higher sharper
Better
14. 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.
Pixels
Higher voltage
Dual link
DB-15
15. 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.
Analog CRT monitor
Contrast ratio
Response time
IPS (In Plane Switching)
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Dynamic
Dual
CRT
1400 1050
17. ____ female port.
Physical effective
Dual
DVI-D (digital video-digital)
Dual
18. 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.
Analog
Response time
Resolution
30 99
19. 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.
Converter box
Converter box
Dead
4:3
20. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
DVI-D (digital video-digital)
Analog CRT monitor
Y UV
CRT
21. 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.
Better
Dead
6
Converter
22. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
720p 1080i
both video and audio input
2048 1536
720p 1080i
23. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Composite video
Normal
Video card
Worse
24. Additional monitor features include built in ____ or ____ hub.
Return policy
Diagonal
Higher sharper
Speakers USB
25. 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.
VN (Twisted Nematic)
Converter
DVI-I (digital video-integrated)
CRT
26. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
CRT native
Dot pitch
1280 1024
640 480
27. 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.
Contrast ratio
IPS (In Plane Switching)
Single link
Interlacing
28. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
VN (Twisted Nematic)
U V color
Video card
29. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dot pitch
D-sub connector
Aspect ratio
Resolution
30. 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
Brighter
Shadow mask
CRT
IPS (In Plane Switching)
31. 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.
Better
LED (Light Emitting Diode)
1400 1050
Resolution
32. DVI-D ____ link cable.
6
Single
Resolution
Viewing angle
33. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Higher sharper
Response time
Interlacing
34. 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 ____.
1920 1080
Converter box
Color shift
Shadow mask
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
VN (Twisted Nematic)
TFT (thin film transistor)
1600 1200
36. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
Analog CRT monitor
U V color
Contrast ratio
37. 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.
Worse
DB-15
Y brightness
720p 1080i
38. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
6
Speakers USB
LCD monitor that accepts an analog connection
640 480
39. Additional monitor features include built in ____ or ____ hub.
CRT
1024 768
1680 1050
Speakers USB
40. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Interlacing
Physical effective
Backlight
DVI-D (digital video-digital)
41. 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
Composite video
Video card
Shadow mask
IPS (In Plane Switching)
42. 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.
Widescreen
Progressive scanning
Higher sharper
Brighter
43. 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
Degauss
Return policy
Better
Color shift
44. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
CRT
Resolution
Dynamic
LCD
45. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Dead
Y UV
800 600
46. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
IPS (In Plane Switching)
CRT native
1920 1080
Converter box
47. 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
Dual
4:3
External
LED (Light Emitting Diode)
48. 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.
Dead
G2G (grey-to-grey - or GTG)
DVI-I (digital video-integrated)
Normal
49. 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.
F-type
1600 1200
D-sub DVI-A
RCA
50. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
VA (Vertical Alignment)
1600 1200
Progressive scanning
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