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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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certifications
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comptia-a-+
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Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. Pressing lightly on the ____ may revive the pixel.
Aperture grill
Analog
Screen
Dead
2. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
DVI-A connection
Higher sharper
Higher sharper
3. 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
CRT
Response time
Degauss
DVI-D (digital video-digital)
4. 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.
Dead
Converter box
Higher voltage
perture grill
5. Additional monitor features include built in ____ or ____ hub.
G2G (grey-to-grey - or GTG)
30 99
Speakers USB
6
6. 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
Physical effective
Widescreen
LED (Light Emitting Diode)
Contrast ratio
7. TN panels have ____ viewing angles and contrast ratios than the other display types.
HDMI (High-Definition Multimedia Interface)
Worse
VN (Twisted Nematic)
Higher voltage
8. You can connect analog CRT monitors to a video card with a...
Response time
D-sub connector
Widescreen
16:9
9. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Diagonal
CRT native
Converter
16:9
10. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Single link
CRT
640 480
Dot pitch
11. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
2048 1536
DVI-A connection
Flat displays
Single link
12. 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.
DVI-D (digital video-digital)
30 99
1400 1050
LED (Light Emitting Diode)
13. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
Pixels
4:3
1920 1200
14. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Progressive scanning
Color shift
Aspect ratio
640 480
15. ____ 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)
30 99
Dual
DisplayPort
16. Monitor size is typically described using a ____ measurement.
Speakers USB
Dynamic
Digital
Diagonal
17. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Dead
DVI-D (digital video-digital)
Analog output
Normal
18. ____ on the screen can be mistaken for a dead pixel.
IPS (In Plane Switching)
Color shift
Return policy
Debris
19. 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
Dynamic
Degauss
Worse
20. ____ 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).
640 480
Dual link
IPS (In Plane Switching)
1920 1080
21. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
LCD
Y brightness
TFT (thin film transistor)
Response time
22. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
IPS (In Plane Switching)
Video card
6
Response time
23. DVI-D ____ link cable.
640 480
perture grill
Single
VN (Twisted Nematic)
24. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Refresh
Normal
G2G (grey-to-grey - or GTG)
S-video
25. 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
30 99
Analog output
Resolution
1680 1050
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Separately
1400 1050
VN (Twisted Nematic)
DVI-D (digital video-digital)
27. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
1152 864
LCD monitor that accepts an analog connection
1920 1200
1024 768
28. Additional monitor features include built in ____ or ____ hub.
Speakers USB
DMS-59
CRT
Better
29. DVI-D ____ link cable.
CRT
Dual
TFT (thin film transistor)
Dual link
30. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Response time
VA (Vertical Alignment)
LCD monitor that accepts an analog connection
IPS (In Plane Switching)
31. ____ (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.
Single link
Resolution
720p 1080i
CRT native
32. 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.
LED (Light Emitting Diode)
DVI-I (digital video-integrated)
Single source
Interlacing
33. DisplayPort does not use ______ than DVI and HDMI.
LCD monitor that accepts an analog connection
6
Higher voltage
CCFL (Cold Cathode Fluorescent Lamp)
34. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
D-sub connector
Adapter
Dual link
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Static
1920 1200
IPS (In Plane Switching)
640 480
36. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Physical effective
Composite
Dynamic
Higher voltage
37. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
HDTV
Refresh
Interlacing
both video and audio input
38. 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
Y UV
Resolution
Viewing angle
39. Monitor size is typically described using a ____ measurement.
CRT native
Aspect ratio
Diagonal
Interlacing
40. 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.
Converter
1600 1200
1400 1050
1280 1024
41. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
IPS (In Plane Switching)
analog digital
Brighter
Interlacing
42. Do not confuse video in - which can be supplied by composite - s-video - or HDTV connectors - with ____ capabilities. The built-in tuner means that the card or monitor itself has the ability to accept multi-channel input and change the display by cha
Brighter
TV-tuner
Video card
Widescreen
43. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
1920 1200
4:3
G2G (grey-to-grey - or GTG)
Analog
44. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
1280x720 1920x1080
Interlacing
DVI-D (digital video-digital)
VA (Vertical Alignment)
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Backlight
Refresh
LED (Light Emitting Diode)
46. 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.
1400 1050
720p 1080i
analog digital
LCD
47. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
both video and audio input
IPS (In Plane Switching)
Aperture grill
Response time
48. 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.
perture grill
Resolution
Progressive scanning
Response time
49. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Single link
External
Resolution
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).
Response time
Physical effective
Dual link
IPS (In Plane Switching)
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