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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. 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.
HDCP
6
Aperture grill
Backlight
2. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Digital
Video card
Viewing angle
HDCP
3. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
7
both video and audio input
F-type
Worse
4. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
DMS-59
perture grill
1600 1200
TFT (thin film transistor)
5. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Interlacing
D-sub
Dot pitch
1280x720 1920x1080
6. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Dual
Dual
VA (Vertical Alignment)
HDCP
7. 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
1280 1024
1600 1200
LCD
Shadow mask
8. 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
16:9
LED (Light Emitting Diode)
1152 864
Better
9. DVI-D ____ link cable.
HDCP
Single
DVI-A connection
G2G (grey-to-grey - or GTG)
10. ____ female port.
Resolution
Speakers USB
1024 768
DVI-D (digital video-digital)
11. 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
1600 1200
Composite
Return policy
12. 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).
Degauss
1280 1024
F-type
Dynamic
13. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
720p 1080i
CRT
Single
G2G (grey-to-grey - or GTG)
14. 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.
Pixel pitch
6
4:3
LED (Light Emitting Diode)
15. ____ 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.
Analog output
Interlacing
HDMI (High-Definition Multimedia Interface)
Brightness
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
1280 1024
Dynamic
External
17. 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.
VA (Vertical Alignment)
CCFL (Cold Cathode Fluorescent Lamp)
Splits the signal
Brightness
18. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
both video and audio input
Brighter
Color shift
HDMI (High-Definition Multimedia Interface)
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Higher voltage
Same cable
Resolution
20. ____ panels are the most expensive type of panel - and could be difficult to find.
Return policy
800 600
Utilities
IPS (In Plane Switching)
21. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Brightness
D-sub
Dynamic
Dead pixel
22. 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
perture grill
Better
Video card
23. Having a few dead ____ can be common on many displays.
Static
Pixels
Worse
Worse
24. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Higher sharper
Shadow mask
720p 1080i
Color shift
25. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
DVI-A (digital video-analog)
Video card
Pixel pitch
VA (Vertical Alignment)
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Speakers USB
perture grill
Dual
1024 768
27. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Composite
800 600
Better
800 600
28. 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-A (digital video-analog)
Pixel pitch
analog digital
Aspect ratio
29. 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.
800 600
Video card
1600 1200
Viewing angle
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Resolution
Analog CRT monitor
Dual link
31. 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
Widescreen
1024 768
D-sub
32. ____ cable and female port.
Better
S-video
Video card
Flat displays
33. ____ 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.
Viewing angle
CRT
1024 768
1280x720 1920x1080
34. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Speakers USB
G2G (grey-to-grey - or GTG)
DVI-A (digital video-analog)
1400 1050
35. 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.
Flat displays
DVI-I (digital video-integrated)
DB-15
Backlight
36. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4
30 99
4:3
1600 1200
37. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Color shift
Return policy
Analog CRT monitor
1400 1050
38. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
720p 1080i
DVI-A (digital video-analog)
S-video
TFT (thin film transistor)
39. 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.
800 600
1920 1200
30 99
Response time
40. The ____ contrast ratio indicates the difference that can be displayed at the same time.
CRT
1152 864
Interlacing
Static
41. 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 ____.
Viewing angle
Converter box
TV-tuner
Analog output
42. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
TFT (thin film transistor)
1152 864
IPS (In Plane Switching)
Refresh
43. ____ and ____ are electrically equivalent - meaning that a simple pin-to-pin adapter is all that is required to connect a DVI device to an HDMI port.
S-video
Brighter
Brighter
DVI HDMI
44. The ____ is the ratio of the width and the height.
Aspect ratio
Backlight
Shadow mask
G2G (grey-to-grey - or GTG)
45. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
IPS (In Plane Switching)
4
DVI-D (digital video-digital)
Aperture grill
46. 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
External
Laptop
1280 1024
VN (Twisted Nematic)
47. 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 ____.
4:3
Adapter
CRT native
1920 1200
48. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
DisplayPort
Response time
both video and audio input
Better
49. There are ____ to identify and possibly fix dead pixels on a monitor.
Video card
Utilities
Dot pitch
LCD
50. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
CRT
Dynamic
Speakers USB
1152 864