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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. 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)
4:3
Resolution
Aperture grill
2. 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.
DVI-I (digital video-integrated)
HDCP
Response time
Normal
3. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
DisplayPort
Resolution
Screen
D-sub connector
4. 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 ____.
Single link
1280x720 1920x1080
1280 1024
DVI-D (digital video-digital)
5. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
Widescreen
Brightness
1280 1024
6. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Laptop
Static
6
2048 1536
7. 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
Dual
Dead
1024 768
16:9
8. ____ 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.
U V color
CRT
DVI-A (digital video-analog)
Response time
9. 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
CRT
Single
perture grill
10. TN panels have ____ viewing angles and contrast ratios than the other display types.
Pixel pitch
External
Worse
IPS (In Plane Switching)
11. 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.
Shadow mask
LCD monitor that accepts an analog connection
Resolution
Higher sharper
12. ____ displays have a 4:3 aspect ratio (used in CRT displays).
1600 1200
DVI-D (digital video-digital)
DB-15
Normal
13. 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
1680 1050
D-sub connector
1400 1050
640 480
14. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
4
DB-15
Dual
Interlacing
15. 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
Response time
DVI-I (digital video-integrated)
Shadow mask
4:3
16. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
Pixel pitch
16:9
DVI-D (digital video-digital)
17. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
TFT (thin film transistor)
Screen
1280 1024
Pixel pitch
18. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
DB-15
Resolution
DVI-D (digital video-digital)
Degauss
19. The HDTV connector uses a ____-pin mini-din cable.
CRT
16:9
7
HDMI (High-Definition Multimedia Interface)
20. 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.
Y brightness
Response time
Aperture grill
Degauss
21. The ____ is the ratio of the width and the height.
1280 1024
perture grill
Aspect ratio
1152 864
22. 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
640 480
Backlight
CRT native
Viewing angle
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Response time
1024 768
D-sub
LCD monitor that accepts an analog connection
24. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
Physical effective
Dead pixel
Single
25. The D-sub connector on a video card provides....
Color shift
Interlacing
DVI HDMI
Analog output
26. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
IPS (In Plane Switching)
Interlacing
S-video
Dead pixel
27. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Pixel pitch
CRT
Dual
VN (Twisted Nematic)
28. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
7
1920 1200
Interlacing
Laptop
29. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Dead
Response time
720p 1080i
Dot pitch
30. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
2048 1536
Higher sharper
Progressive scanning
Better
31. 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
CRT
1280 1024
16:9
Response time
32. On a(n) ____ monitor you might be able to see two horizontal lines running across the display. These lines are the wires that are used to dynamically change the grill opening.
CRT
LED (Light Emitting Diode)
perture grill
DVI-D (digital video-digital)
33. DVI-D ____ link cable.
Single
Backlight
perture grill
Speakers USB
34. Additional monitor features include built in ____ or ____ hub.
Speakers USB
LCD monitor that accepts an analog connection
Degauss
Dynamic
35. 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
IPS (In Plane Switching)
Static
Flat displays
1680 1050
36. ____ cable and female port.
Diagonal
S-video
CRT native
Response time
37. ____ (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.
Video card
1024 768
Dual link
720p 1080i
38. On a(n) ____ monitor you might be able to see two horizontal lines running across the display. These lines are the wires that are used to dynamically change the grill opening.
Debris
perture grill
VA (Vertical Alignment)
1920 1080
39. The ____ is the ratio of the width and the height.
IPS (In Plane Switching)
Aspect ratio
G2G (grey-to-grey - or GTG)
CCFL (Cold Cathode Fluorescent Lamp)
40. Monitor size is typically described using a ____ measurement.
G2G (grey-to-grey - or GTG)
Speakers USB
Diagonal
Video card
41. 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.
Dynamic
Same cable
Single source
6
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Response time
640 480
U V color
800 600
43. ____ (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.
VN (Twisted Nematic)
4:3
IPS (In Plane Switching)
720p 1080i
44. 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
1920 1080
1400 1050
HDCP
Degauss
45. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
perture grill
Pixel pitch
800 600
Higher sharper
46. 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.
Degauss
Higher sharper
Backlight
Refresh
47. ____ panels are the most expensive type of panel - and could be difficult to find.
6
CRT
Pixel pitch
IPS (In Plane Switching)
48. 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.
CRT
Backlight
DB-15
Shadow mask
49. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Contrast ratio
DVI-D (digital video-digital)
Dual
F-type
50. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Backlight
D-sub connector
Digital
DVI-I (digital video-integrated)