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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. 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.
7
Converter
TFT (thin film transistor)
Color shift
2. 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.
640 480
DVI-A connection
720p 1080i
DB-15
3. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Dual
30 99
LED (Light Emitting Diode)
TFT (thin film transistor)
4. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Backlight
Debris
HDMI (High-Definition Multimedia Interface)
Single link
5. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
DisplayPort
Refresh
DB-15
CRT
6. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
D-sub
Video card
Contrast ratio
2048 1536
7. 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.
Single source
CCFL (Cold Cathode Fluorescent Lamp)
Backlight
Pixel pitch
8. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
Dual
Aperture grill
Y UV
Static
9. ____ 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.
DVI-A connection
IPS (In Plane Switching)
Dual
Aspect ratio
10. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
Brighter
DVI-I (digital video-integrated)
Better
11. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
analog digital
Composite
16:9
CCFL (Cold Cathode Fluorescent Lamp)
12. You can connect analog CRT monitors to a video card with a...
Response time
D-sub connector
Aspect ratio
4:3
13. 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 ____.
VN (Twisted Nematic)
Diagonal
RCA
1280x720 1920x1080
14. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LCD monitor that accepts an analog connection
Physical effective
Resolution
D-sub DVI-A
15. Video cards with HDTV output typically include a conversion cable that converts the 7-pin connector into three ____ cables for connecting to an HDTV device.
Pixels
IPS (In Plane Switching)
RCA
LED (Light Emitting Diode)
16. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
1280x720 1920x1080
Normal
Resolution
7
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Y UV
4
Worse
1152 864
18. ____ 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)
DB-15
Physical effective
30 99
19. 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.
both video and audio input
Contrast ratio
Return policy
perture grill
20. The ____ is the ratio of the width and the height.
16:9
Higher sharper
Analog output
Aspect ratio
21. 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 ____.
Pixel pitch
Converter box
DB-15
D-sub connector
22. 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.
DVI-I (digital video-integrated)
Response time
1024 768
VA (Vertical Alignment)
23. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Physical effective
External
Dot pitch
CRT
24. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
720p 1080i
Brighter
Speakers USB
Dynamic
25. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
VA (Vertical Alignment)
both video and audio input
4:3
CRT native
26. 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.
DisplayPort
Widescreen
Video card
Response time
27. ____ on the screen can be mistaken for a dead pixel.
1280x720 1920x1080
Response time
1600 1200
Debris
28. 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.
IPS (In Plane Switching)
Video card
Y brightness
Flat displays
29. 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.
Brighter
perture grill
DVI-A connection
Physical effective
30. ____ (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.
640 480
Progressive scanning
Single
720p 1080i
31. 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).
1280 1024
Brightness
Flat displays
Return policy
32. 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
Response time
1280x720 1920x1080
Degauss
Video card
33. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
VN (Twisted Nematic)
D-sub connector
IPS (In Plane Switching)
Return policy
34. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
IPS (In Plane Switching)
Response time
Resolution
35. 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
1680 1050
CCFL (Cold Cathode Fluorescent Lamp)
Backlight
Interlacing
36. 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.
Dot pitch
Widescreen
1680 1050
Better
37. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Converter box
Shadow mask
Dot pitch
1920 1080
38. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Separately
Dot pitch
1920 1200
Pixel pitch
39. DisplayPort does not use ______ than DVI and HDMI.
Response time
Analog output
Return policy
Higher voltage
40. The HDTV connector uses a ____-pin mini-din cable.
LED (Light Emitting Diode)
Converter
7
Better
41. 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.
Shadow mask
Physical effective
Dead pixel
Dynamic
42. 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.
HDCP
Normal
1400 1050
Response time
43. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
Viewing angle
U V color
Degauss
44. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Resolution
Dead
Debris
Brighter
45. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Resolution
IPS (In Plane Switching)
VA (Vertical Alignment)
DVI-D (digital video-digital)
46. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
IPS (In Plane Switching)
VA (Vertical Alignment)
LCD monitor that accepts an analog connection
47. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
Physical effective
Analog CRT monitor
1024 768
48. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Color shift
Interlacing
1600 1200
4:3
49. ____ 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.
DVI-A (digital video-analog)
DVI HDMI
Progressive scanning
Y brightness
50. 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.
DisplayPort
LCD monitor that accepts an analog connection
Physical effective
Analog output