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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
:
certifications
,
comptia-a-+
,
it-skills
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. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Aperture grill
Brightness
G2G (grey-to-grey - or GTG)
Interlacing
2. ____ 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.
Brightness
D-sub
VN (Twisted Nematic)
Dead
3. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
2048 1536
Interlacing
CRT
1024 768
4. Pressing lightly on the ____ may revive the pixel.
Dynamic
Resolution
IPS (In Plane Switching)
Screen
5. 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.
Physical effective
Resolution
Pixel pitch
1600 1200
6. 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.
Backlight
Composite
Speakers USB
1400 1050
7. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Dynamic
HDCP
DVI-I (digital video-integrated)
CRT
8. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Response time
1680 1050
Static
Flat displays
9. 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
Aperture grill
Degauss
1920 1200
Backlight
10. 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.
Resolution
Resolution
CCFL (Cold Cathode Fluorescent Lamp)
Widescreen
11. 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.
D-sub DVI-A
Dot pitch
LED (Light Emitting Diode)
External
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Converter
Dual link
Brighter
13. 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 ____.
Widescreen
Response time
Converter box
HDTV
14. 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.
30 99
DVI-D (digital video-digital)
6
Interlacing
15. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Analog
DVI-D (digital video-digital)
Y brightness
Normal
16. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Shadow mask
TFT (thin film transistor)
Interlacing
1600 1200
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
1400 1050
Converter
Screen
18. 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.
DVI-I (digital video-integrated)
DVI-A (digital video-analog)
Dot pitch
LCD
19. 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.
30 99
Shadow mask
1400 1050
Physical effective
20. ____ (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.
Aspect ratio
1400 1050
Brighter
720p 1080i
21. Having a few dead ____ can be common on many displays.
Shadow mask
Resolution
640 480
Pixels
22. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
VA (Vertical Alignment)
Shadow mask
both video and audio input
IPS (In Plane Switching)
23. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Worse
Pixels
Flat displays
IPS (In Plane Switching)
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
IPS (In Plane Switching)
7
Interlacing
25. 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.
Interlacing
CRT
1600 1200
LCD
26. TN panels have ____ viewing angles and contrast ratios than the other display types.
Response time
Worse
Dual link
16:9
27. 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.
1920 1200
CRT native
Video card
6
28. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Resolution
1400 1050
Video card
29. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Digital
Brighter
both video and audio input
Brightness
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
CRT native
Composite
1024 768
Dual link
31. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Interlacing
16:9
CRT
1920 1080
32. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Dot pitch
1920 1080
1400 1050
33. 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.
CRT
Pixels
1920 1200
Backlight
34. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Response time
perture grill
Response time
Video card
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.
Dual
Speakers USB
Resolution
Debris
36. TN panels have ____ viewing angles and contrast ratios than the other display types.
Interlacing
Same cable
CRT native
Worse
37. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
Resolution
Single link
DisplayPort
1680 1050
38. The ____ is the ratio of the width and the height.
CCFL (Cold Cathode Fluorescent Lamp)
Aspect ratio
TV-tuner
Flat displays
39. 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.
DB-15
U V color
Color shift
Resolution
40. The D-sub connector on a video card provides....
DVI-A connection
Analog output
Physical effective
Higher voltage
41. ____ 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.
Interlacing
IPS (In Plane Switching)
Physical effective
both video and audio input
42. 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.
Response time
2048 1536
D-sub connector
DB-15
43. The D-sub connector on a video card provides....
CCFL (Cold Cathode Fluorescent Lamp)
Analog output
Progressive scanning
DB-15
44. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Shadow mask
IPS (In Plane Switching)
DVI-A connection
Response time
45. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Resolution
720p 1080i
Composite video
DB-15
46. 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 ____.
CRT
G2G (grey-to-grey - or GTG)
HDMI (High-Definition Multimedia Interface)
1280x720 1920x1080
47. 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.
Response time
External
1152 864
Dynamic
48. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
Worse
Video card
30 99
49. 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
Shadow mask
1024 768
Normal
800 600
50. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
D-sub DVI-A
720p 1080i
Resolution
both video and audio input