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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
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certifications
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comptia-a-+
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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. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
analog digital
720p 1080i
both video and audio input
perture grill
2. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
CRT
LED (Light Emitting Diode)
TFT (thin film transistor)
Speakers USB
3. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
1920 1080
External
Dual
4. 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.
CRT
1280 1024
VN (Twisted Nematic)
640 480
5. DVI-D ____ link cable.
Composite
Dual
D-sub
LCD
6. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Dual
both video and audio input
Contrast ratio
G2G (grey-to-grey - or GTG)
7. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Resolution
1920 1080
DVI-D (digital video-digital)
CRT native
8. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
1400 1050
Converter box
Resolution
Color shift
9. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
DisplayPort
CRT native
TFT (thin film transistor)
10. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
Refresh
TFT (thin film transistor)
Video card
11. ____ DVI-D connectors have 3 rows of 8 pins plus the horizontal pin (often called a 25-pin - 24+1-pin - or 24-pin connector).
perture grill
720p 1080i
Dual link
Flat displays
12. 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.
2048 1536
Widescreen
1680 1050
Dead
13. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
1920 1200
Single link
Dot pitch
30 99
14. 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.
Composite
Y brightness
1400 1050
4:3
15. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Higher sharper
720p 1080i
Flat displays
1920 1080
16. ____ 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.
LCD
1600 1200
Widescreen
Progressive scanning
17. You can connect analog CRT monitors to a video card with a...
Composite video
IPS (In Plane Switching)
D-sub connector
D-sub DVI-A
18. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
DVI-D (digital video-digital)
D-sub
Resolution
4:3
19. 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
IPS (In Plane Switching)
Debris
Widescreen
Shadow mask
20. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
720p 1080i
Response time
HDCP
U V color
21. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
CRT
Composite video
DVI-I (digital video-integrated)
IPS (In Plane Switching)
22. TN panels have ____ viewing angles and contrast ratios than the other display types.
Splits the signal
Return policy
Worse
TFT (thin film transistor)
23. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Resolution
Refresh
perture grill
Shadow mask
24. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.
perture grill
1280x720 1920x1080
IPS (In Plane Switching)
CRT
25. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.
Utilities
Interlacing
IPS (In Plane Switching)
Splits the signal
26. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
DVI-D (digital video-digital)
Brighter
Resolution
Response time
27. 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.
S-video
Video card
Shadow mask
1024 768
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Resolution
4
IPS (In Plane Switching)
29. 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.
Converter box
Backlight
U V color
Physical effective
30. ____ panels are the most expensive type of panel - and could be difficult to find.
HDCP
1152 864
D-sub connector
IPS (In Plane Switching)
31. 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
6
CRT
1024 768
32. 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.
16:9
720p 1080i
LCD monitor that accepts an analog connection
Interlacing
33. ____ displays have a 4:3 aspect ratio (used in CRT displays).
DVI-A (digital video-analog)
Normal
perture grill
LCD
34. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
G2G (grey-to-grey - or GTG)
CRT
both video and audio input
Pixel pitch
35. The D-sub connector on a video card provides....
perture grill
Speakers USB
Analog output
CRT
36. ____ female port.
DVI-D (digital video-digital)
2048 1536
DVI-I DVI-D
Response time
37. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
DVI-A (digital video-analog)
Viewing angle
Brightness
38. 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 digital
LED (Light Emitting Diode)
F-type
Response time
39. 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.
Dead
IPS (In Plane Switching)
Single
Dual link
40. ____ video cable and female port.
Composite
16:9
Color shift
D-sub DVI-A
41. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Flat displays
G2G (grey-to-grey - or GTG)
HDTV
Debris
42. 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.
IPS (In Plane Switching)
Dynamic
16:9
VN (Twisted Nematic)
43. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
30 99
4
2048 1536
LED (Light Emitting Diode)
44. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
D-sub
TFT (thin film transistor)
D-sub DVI-A
45. 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.
Pixel pitch
640 480
Widescreen
DVI-D (digital video-digital)
46. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Analog output
Video card
6
HDCP
47. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
DVI-I (digital video-integrated)
Progressive scanning
Response time
HDCP
48. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
CRT
Pixel pitch
Same cable
Physical effective
49. 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.
Normal
6
Progressive scanning
VA (Vertical Alignment)
50. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
DB-15
External
1280x720 1920x1080
Higher sharper