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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. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Response time
1024 768
Y brightness
TFT (thin film transistor)
2. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Diagonal
Aperture grill
2048 1536
Dynamic
3. 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.
IPS (In Plane Switching)
Response time
Degauss
LED (Light Emitting Diode)
4. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
1400 1050
LCD monitor that accepts an analog connection
CRT
1600 1200
5. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Higher sharper
DB-15
CRT
G2G (grey-to-grey - or GTG)
6. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Progressive scanning
1600 1200
HDTV
CRT
7. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Widescreen
both video and audio input
1280x720 1920x1080
Video card
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
HDTV
1600 1200
Dual link
9. 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.
Converter box
Pixels
Pixels
Video card
10. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
S-video
Converter box
DVI-D (digital video-digital)
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
6
640 480
HDMI (High-Definition Multimedia Interface)
Interlacing
12. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Higher sharper
VN (Twisted Nematic)
Screen
Dual
13. 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
Converter box
Shadow mask
Refresh
Single link
14. If you are concerned about dead pixels - review the ____ before purchasing.
Brighter
VA (Vertical Alignment)
1400 1050
Return policy
15. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
IPS (In Plane Switching)
Utilities
CRT
Video card
16. 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).
640 480
VN (Twisted Nematic)
1280 1024
1152 864
17. 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
DB-15
Response time
CRT
18. 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.
Brighter
LED (Light Emitting Diode)
Converter box
DB-15
19. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
U V color
Utilities
TFT (thin film transistor)
1280 1024
20. Full HD content is designed for a resolution of 1920 x 1080 using ____ (where each line on the screen is redrawn in order). Full HD support is therefore referred to as 1080p.
Progressive scanning
TV-tuner
Screen
DB-15
21. TN panels have ____ viewing angles and contrast ratios than the other display types.
Dead pixel
Resolution
CRT native
Worse
22. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
CCFL (Cold Cathode Fluorescent Lamp)
Resolution
VN (Twisted Nematic)
Interlacing
23. The ____ is the ratio of the width and the height.
Aspect ratio
Brighter
1152 864
Screen
24. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
DisplayPort
Same cable
U V color
perture grill
25. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
DVI-D (digital video-digital)
Worse
640 480
26. The ____ contrast ratio indicates the difference that can be displayed at the same time.
4
Static
Laptop
Single
27. 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.
1280x720 1920x1080
30 99
CCFL (Cold Cathode Fluorescent Lamp)
1920 1080
28. ____ female port.
1024 768
Dynamic
DVI-D (digital video-digital)
analog digital
29. 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.
perture grill
Backlight
Video card
Degauss
30. 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
Analog
Pixel pitch
LED (Light Emitting Diode)
Same cable
31. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Composite
analog digital
DVI-I (digital video-integrated)
Widescreen
32. ____ displays have a 4:3 aspect ratio (used in CRT displays).
IPS (In Plane Switching)
Normal
G2G (grey-to-grey - or GTG)
CRT
33. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Utilities
Physical effective
Shadow mask
IPS (In Plane Switching)
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Flat displays
1024 768
Pixels
IPS (In Plane Switching)
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
HDTV
1400 1050
CCFL (Cold Cathode Fluorescent Lamp)
CRT
36. 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.
1600 1200
Aperture grill
Worse
Y brightness
37. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
Degauss
DB-15
30 99
38. Monitor size is typically described using a ____ measurement.
IPS (In Plane Switching)
Diagonal
Widescreen
VN (Twisted Nematic)
39. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
TFT (thin film transistor)
perture grill
Shadow mask
Better
40. 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.
Single
30 99
1920 1080
Resolution
41. ____ 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.
DB-15
External
Brightness
1280 1024
42. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
Refresh
Same cable
Aperture grill
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Screen
1600 1200
1024 768
Single source
44. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DVI-D (digital video-digital)
Converter box
Brightness
1920 1080
45. 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
1920 1200
IPS (In Plane Switching)
Digital
LED (Light Emitting Diode)
46. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Converter box
G2G (grey-to-grey - or GTG)
Shadow mask
Pixel pitch
47. ____ (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.
720p 1080i
DisplayPort
DB-15
Color shift
48. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Splits the signal
IPS (In Plane Switching)
1680 1050
DVI-I DVI-D
49. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Aperture grill
Backlight
Single
50. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
DisplayPort
HDTV
Color shift
D-sub