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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. SVGA = ____ x ____.
Flat displays
Dual
DisplayPort
800 600
2. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
Shadow mask
1024 768
Same cable
3. 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
Interlacing
DVI-D (digital video-digital)
Converter
4. 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.
2048 1536
Physical effective
1400 1050
Utilities
5. Having a few dead ____ can be common on many displays.
VN (Twisted Nematic)
Contrast ratio
Pixels
CRT
6. 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.
Physical effective
30 99
DVI-D (digital video-digital)
DVI-D (digital video-digital)
7. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
analog digital
Pixels
CCFL (Cold Cathode Fluorescent Lamp)
Same cable
8. 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.
Viewing angle
6
Flat displays
4:3
9. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Static
6
Flat displays
Y UV
10. 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).
RCA
1280 1024
Converter box
Interlacing
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Video card
IPS (In Plane Switching)
1920 1200
DB-15
12. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
7
Pixels
IPS (In Plane Switching)
4:3
13. ____ panels are the most expensive type of panel - and could be difficult to find.
4:3
Color shift
Viewing angle
IPS (In Plane Switching)
14. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
4:3
DVI-A (digital video-analog)
DVI-D (digital video-digital)
HDCP
15. The D-sub connector on a video card provides....
Analog output
6
both video and audio input
Resolution
16. 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.
VA (Vertical Alignment)
4:3
Higher voltage
Dead
17. 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
Refresh
LED (Light Emitting Diode)
Backlight
VN (Twisted Nematic)
18. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
VN (Twisted Nematic)
both video and audio input
Speakers USB
Refresh
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
Degauss
D-sub
CRT
20. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
2048 1536
4
VA (Vertical Alignment)
Resolution
21. Pressing lightly on the ____ may revive the pixel.
Return policy
Screen
Dead
Video card
22. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
CRT
Video card
2048 1536
1680 1050
23. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
LED (Light Emitting Diode)
1680 1050
4
Interlacing
24. 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
Contrast ratio
720p 1080i
Dual link
25. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Refresh
Utilities
HDCP
G2G (grey-to-grey - or GTG)
26. 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
Dead
Viewing angle
Analog output
Analog CRT monitor
27. 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.
Utilities
perture grill
1024 768
CCFL (Cold Cathode Fluorescent Lamp)
28. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
D-sub DVI-A
Separately
Response time
29. 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
DVI-D (digital video-digital)
Dual link
Dot pitch
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Screen
1400 1050
Widescreen
31. 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
1600 1200
IPS (In Plane Switching)
DVI-D (digital video-digital)
1680 1050
32. DVI-D ____ link cable.
Interlacing
TFT (thin film transistor)
Progressive scanning
Single
33. 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.
1024 768
D-sub DVI-A
Dead pixel
DB-15
34. 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.
perture grill
720p 1080i
Utilities
Interlacing
35. DVI-D ____ link cable.
Y UV
S-video
Video card
Single
36. If you are concerned about dead pixels - review the ____ before purchasing.
IPS (In Plane Switching)
IPS (In Plane Switching)
Pixels
Return policy
37. 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
Video card
Backlight
1920 1200
38. 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.
Dead pixel
Dead
6
CCFL (Cold Cathode Fluorescent Lamp)
39. 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 ____.
Dead pixel
CRT
Converter box
perture grill
40. ____ video cable and female port.
Widescreen
DVI-D (digital video-digital)
1152 864
Composite
41. ____ cable and female port.
Higher voltage
S-video
Physical effective
VA (Vertical Alignment)
42. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Dynamic
VA (Vertical Alignment)
Y UV
Better
43. ____ 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.
Widescreen
IPS (In Plane Switching)
6
30 99
44. 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.
Contrast ratio
Backlight
Y brightness
RCA
45. 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.
Pixels
Brightness
DVI-D (digital video-digital)
Dead
46. 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
Viewing angle
perture grill
both video and audio input
47. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
Progressive scanning
F-type
Response time
640 480
48. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Debris
G2G (grey-to-grey - or GTG)
640 480
HDTV
49. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.
TFT (thin film transistor)
Adapter
1920 1080
16:9
50. ____ 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.
Higher sharper
Brightness
perture grill
Resolution