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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. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Color shift
1024 768
both video and audio input
D-sub connector
2. 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
Single
VA (Vertical Alignment)
Analog
3. 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.
Backlight
DVI-A connection
Response time
Physical effective
4. 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.
Color shift
6
Response time
Utilities
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Brighter
VN (Twisted Nematic)
1024 768
CCFL (Cold Cathode Fluorescent Lamp)
6. 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.
Refresh
U V color
LED (Light Emitting Diode)
Contrast ratio
7. The HDTV connector uses a ____-pin mini-din cable.
Analog
7
LCD monitor that accepts an analog connection
Screen
8. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Composite
Response time
Pixel pitch
9. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
IPS (In Plane Switching)
Dot pitch
Dynamic
CCFL (Cold Cathode Fluorescent Lamp)
10. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Pixel pitch
CCFL (Cold Cathode Fluorescent Lamp)
Splits the signal
1024 768
11. 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.
IPS (In Plane Switching)
1920 1080
Brighter
Contrast ratio
12. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Backlight
IPS (In Plane Switching)
Worse
Normal
13. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
1280x720 1920x1080
Dot pitch
Resolution
Flat displays
14. ____ female port.
RCA
DVI-D (digital video-digital)
Pixel pitch
LCD
15. ____ displays have a 4:3 aspect ratio (used in CRT displays).
both video and audio input
DMS-59
Normal
Resolution
16. 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.
Analog
Physical effective
Interlacing
HDTV
17. ____ (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.
Analog
LCD monitor that accepts an analog connection
720p 1080i
Shadow mask
18. ____ video cable and female port.
Video card
Refresh
Pixels
Composite
19. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
DB-15
2048 1536
IPS (In Plane Switching)
Interlacing
20. 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
RCA
16:9
DVI-D (digital video-digital)
IPS (In Plane Switching)
21. A DVI-A (digital video-analog) is used for an ____________. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.
Dot pitch
Progressive scanning
Response time
Analog CRT monitor
22. The ____ is the ratio of the width and the height.
Y UV
Refresh
Aspect ratio
7
23. 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
Dynamic
VA (Vertical Alignment)
16:9
External
24. Pressing lightly on the ____ may revive the pixel.
Screen
Normal
4:3
Physical effective
25. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Response time
both video and audio input
VA (Vertical Alignment)
Single link
26. TN panels have ____ viewing angles and contrast ratios than the other display types.
Widescreen
Dual
G2G (grey-to-grey - or GTG)
Worse
27. ____ cable and female port.
S-video
Shadow mask
Dead
External
28. ____ on the screen can be mistaken for a dead pixel.
Debris
D-sub
Backlight
Pixel pitch
29. 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.
Refresh
Progressive scanning
Single source
Composite video
30. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
Separately
DVI-A connection
Y UV
External
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Brightness
Brighter
Worse
32. 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.
DVI-A (digital video-analog)
IPS (In Plane Switching)
6
Separately
33. 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.
1024 768
Widescreen
1400 1050
DVI-I (digital video-integrated)
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).
perture grill
1280 1024
HDCP
1600 1200
35. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Dot pitch
Better
1600 1200
DB-15
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
D-sub
TFT (thin film transistor)
1152 864
Debris
37. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
TFT (thin film transistor)
Speakers USB
Dual
38. If you are concerned about dead pixels - review the ____ before purchasing.
Interlacing
Return policy
Dynamic
720p 1080i
39. 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
DVI-A connection
Response time
External
LED (Light Emitting Diode)
40. 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)
Screen
HDCP
Shadow mask
41. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Aperture grill
G2G (grey-to-grey - or GTG)
16:9
Video card
42. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
TFT (thin film transistor)
Debris
CRT
Degauss
43. 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
Worse
Physical effective
Shadow mask
Video card
44. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
DVI-D (digital video-digital)
Aperture grill
Flat displays
Response time
45. ____ is an alternative to an HDMI connector.
DisplayPort
Video card
Worse
Pixels
46. 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.
Brighter
Viewing angle
Backlight
Dead
47. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
HDCP
CCFL (Cold Cathode Fluorescent Lamp)
1680 1050
1280x720 1920x1080
48. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Normal
1680 1050
1400 1050
TV-tuner
49. DVI-D ____ link cable.
Dual
Screen
Refresh
Aspect ratio
50. 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.
Static
Flat displays
Dead
Shadow mask