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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. ____ 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.
DB-15
LCD monitor that accepts an analog connection
IPS (In Plane Switching)
VA (Vertical Alignment)
2. ____ panels are the most expensive type of panel - and could be difficult to find.
S-video
CRT
Y brightness
IPS (In Plane Switching)
3. 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
CRT
Single source
LCD monitor that accepts an analog connection
4. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Shadow mask
Resolution
800 600
Static
5. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
800 600
Analog CRT monitor
G2G (grey-to-grey - or GTG)
Higher sharper
6. 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.
6
1920 1080
LED (Light Emitting Diode)
Color shift
7. 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
Analog
CRT
Degauss
Response time
8. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Composite video
720p 1080i
Pixel pitch
CRT
9. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
Physical effective
1920 1080
Worse
10. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
Dynamic
1024 768
Shadow mask
11. 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.
Contrast ratio
1152 864
HDCP
analog digital
12. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
DVI-A connection
Single link
Dynamic
13. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Backlight
Aperture grill
Diagonal
14. 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.
Same cable
Converter
DVI-A (digital video-analog)
VN (Twisted Nematic)
15. 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
CRT
IPS (In Plane Switching)
Refresh
1680 1050
16. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
16:9
CRT
Higher sharper
analog digital
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.
CRT
perture grill
Response time
Laptop
18. 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
G2G (grey-to-grey - or GTG)
Shadow mask
1280 1024
Viewing angle
19. Having a few dead ____ can be common on many displays.
Splits the signal
analog digital
IPS (In Plane Switching)
Pixels
20. Without a built-in tuner - video input is limited to a ____ channel - and changing TV channels must be done at the ____ device before inputting into the video card.
Analog output
Single source
Dot pitch
Degauss
21. DisplayPort does not use ______ than DVI and HDMI.
6
Higher voltage
Resolution
Normal
22. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
1280x720 1920x1080
DVI-A connection
U V color
Interlacing
23. 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.
D-sub DVI-A
Speakers USB
30 99
Degauss
24. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
Better
1152 864
Backlight
25. 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.
analog digital
Converter
VA (Vertical Alignment)
Dead
26. ____ (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.
Aperture grill
720p 1080i
CRT
Analog CRT monitor
27. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
D-sub
Response time
F-type
2048 1536
28. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
D-sub DVI-A
Dead pixel
HDCP
Normal
29. ____ 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.
30 99
CRT
6
Static
30. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
16:9
Higher sharper
Static
TFT (thin film transistor)
31. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Analog CRT monitor
TFT (thin film transistor)
4:3
Normal
32. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Normal
4:3
Video card
TFT (thin film transistor)
33. 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
Higher voltage
DVI-A (digital video-analog)
16:9
Degauss
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
1400 1050
Worse
800 600
4:3
35. Pressing lightly on the ____ may revive the pixel.
1920 1080
Screen
Refresh
1024 768
36. 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.
6
Composite video
both video and audio input
Single
37. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Progressive scanning
D-sub
Aperture grill
VN (Twisted Nematic)
38. 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.
Dot pitch
Response time
Converter box
Video card
39. 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.
Aspect ratio
Widescreen
30 99
Resolution
40. 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.
DVI-A (digital video-analog)
720p 1080i
Y brightness
Higher sharper
41. 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.
D-sub connector
Video card
CRT
DVI-D (digital video-digital)
42. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Composite
640 480
1280x720 1920x1080
Viewing angle
43. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Dual
1920 1080
DVI-D (digital video-digital)
HDCP
44. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
VA (Vertical Alignment)
VA (Vertical Alignment)
G2G (grey-to-grey - or GTG)
Brightness
45. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.
Single
1920 1080
D-sub
Converter
46. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Laptop
Single
F-type
DisplayPort
47. Monitor size is typically described using a ____ measurement.
CCFL (Cold Cathode Fluorescent Lamp)
1152 864
Speakers USB
Diagonal
48. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
LCD monitor that accepts an analog connection
Interlacing
DVI-D (digital video-digital)
Dynamic
49. 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.
Response time
DVI HDMI
Interlacing
Normal
50. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
Video card
HDTV
LCD
Debris