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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. If you are concerned about dead pixels - review the ____ before purchasing.
Progressive scanning
1024 768
Return policy
Screen
2. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
Debris
VN (Twisted Nematic)
Interlacing
3. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
DB-15
1600 1200
HDCP
Higher voltage
4. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Shadow mask
both video and audio input
30 99
Composite video
5. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Pixel pitch
1680 1050
Resolution
Interlacing
6. Some LCD monitors have a D-sub connection - or you might need a cable with this connection on one end and a _______ on the other end to connect to the LCD monitor.
Physical effective
LCD monitor that accepts an analog connection
DVI-A connection
DVI-I (digital video-integrated)
7. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
U V color
2048 1536
Viewing angle
Backlight
8. 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.
6
30 99
CRT
VA (Vertical Alignment)
9. 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
perture grill
both video and audio input
Response time
10. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
both video and audio input
Aspect ratio
Dynamic
G2G (grey-to-grey - or GTG)
11. 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.
Video card
both video and audio input
Interlacing
1152 864
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.
1920 1080
Dot pitch
Dead
DVI-D (digital video-digital)
13. You can connect analog CRT monitors to a video card with a...
Dynamic
perture grill
D-sub connector
G2G (grey-to-grey - or GTG)
14. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Single
CRT
DisplayPort
TFT (thin film transistor)
15. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
Worse
CCFL (Cold Cathode Fluorescent Lamp)
Interlacing
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
800 600
Composite video
1920 1200
720p 1080i
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Dual
F-type
Pixels
18. 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
DVI-A connection
1400 1050
Resolution
19. ____ 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.
IPS (In Plane Switching)
VA (Vertical Alignment)
Refresh
Brightness
20. Having a few dead ____ can be common on many displays.
DVI-D (digital video-digital)
Physical effective
both video and audio input
Pixels
21. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
2048 1536
CRT
Y brightness
Screen
22. 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).
1600 1200
Progressive scanning
1280 1024
640 480
23. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
S-video
Flat displays
LCD
Higher sharper
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
DVI-D (digital video-digital)
VA (Vertical Alignment)
Adapter
1152 864
25. 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.
Progressive scanning
4:3
Response time
6
26. 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
720p 1080i
D-sub connector
1680 1050
800 600
27. The ____ contrast ratio indicates the difference that can be displayed at the same time.
30 99
Dead
Static
Physical effective
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Single link
DVI-I (digital video-integrated)
Converter box
29. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Converter
both video and audio input
Splits the signal
640 480
30. 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.
Widescreen
Worse
CRT
Response time
31. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Worse
CCFL (Cold Cathode Fluorescent Lamp)
Widescreen
G2G (grey-to-grey - or GTG)
32. 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.
VN (Twisted Nematic)
Dot pitch
1280 1024
Video card
33. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Interlacing
TFT (thin film transistor)
1400 1050
34. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
CRT native
Flat displays
G2G (grey-to-grey - or GTG)
CCFL (Cold Cathode Fluorescent Lamp)
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Digital
640 480
DisplayPort
1920 1200
36. 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.
Higher sharper
Resolution
1280 1024
720p 1080i
37. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
Converter box
G2G (grey-to-grey - or GTG)
Utilities
38. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Flat displays
Static
6
perture grill
39. ____ female port.
DVI-D (digital video-digital)
Pixel pitch
Converter
D-sub connector
40. 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.
perture grill
Composite
Dead
F-type
41. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
Y UV
Return policy
Refresh
Shadow mask
42. 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
Utilities
LCD
43. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
DB-15
Pixels
Analog CRT monitor
Composite
44. 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.
S-video
Video card
Single source
Flat displays
45. 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
Flat displays
Brighter
LCD
External
46. ____ 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.
HDCP
DVI-D (digital video-digital)
IPS (In Plane Switching)
Widescreen
47. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
Worse
Aperture grill
HDMI (High-Definition Multimedia Interface)
Static
48. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Video card
TFT (thin film transistor)
Flat displays
Normal
49. 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
Physical effective
Converter box
IPS (In Plane Switching)
50. ____ 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).
both video and audio input
Brightness
Dual link
Splits the signal