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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. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Separately
CCFL (Cold Cathode Fluorescent Lamp)
Same cable
Response time
2. 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.
1600 1200
640 480
CRT native
analog digital
3. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Pixel pitch
DVI-A (digital video-analog)
CRT
4:3
4. The D-sub connector on a video card provides....
Aperture grill
Backlight
Analog output
30 99
5. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
1600 1200
4
VN (Twisted Nematic)
Dual
6. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
1600 1200
LCD monitor that accepts an analog connection
DB-15
7. The HDTV connector uses a ____-pin mini-din cable.
Flat displays
CRT
7
Single link
8. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
IPS (In Plane Switching)
Static
VA (Vertical Alignment)
Better
9. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
4:3
CRT native
HDCP
Y UV
10. 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.
Video card
perture grill
Resolution
LED (Light Emitting Diode)
11. ____ on the screen can be mistaken for a dead pixel.
Static
Return policy
Debris
720p 1080i
12. ____ 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)
DVI-D (digital video-digital)
HDCP
2048 1536
13. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Dot pitch
1920 1200
VN (Twisted Nematic)
Brighter
14. 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.
IPS (In Plane Switching)
VN (Twisted Nematic)
DB-15
Physical effective
15. ____ 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).
Dual link
Return policy
CCFL (Cold Cathode Fluorescent Lamp)
Dead pixel
16. 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.
CRT
DB-15
Debris
Better
17. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.
Interlacing
Flat displays
1400 1050
Aperture grill
18. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
CRT native
Response time
IPS (In Plane Switching)
19. 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.
Pixels
1024 768
Dynamic
Y brightness
20. ____ (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.
720p 1080i
Normal
1920 1200
Dead
21. 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
TFT (thin film transistor)
CCFL (Cold Cathode Fluorescent Lamp)
HDTV
Viewing angle
22. 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
perture grill
Degauss
Composite
23. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Dead
Video card
DVI-D (digital video-digital)
24. ____ or luminance identifies the amount of light the monitor produces (how bright it is) and is measured in candelas per square meter (cd/m2 also called a Nit) - with a higher number indicating a brighter screen.
Brightness
TFT (thin film transistor)
1600 1200
Single
25. 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 ____.
Converter box
1920 1200
Brightness
Viewing angle
26. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
1920 1200
Resolution
1280 1024
Color shift
27. 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
Single source
Video card
Dynamic
External
28. 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
7
Video card
Single link
29. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
DMS-59
Brightness
DVI-D (digital video-digital)
Video card
30. 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
1280x720 1920x1080
Shadow mask
Pixels
Dual
31. 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.
Physical effective
CRT native
Progressive scanning
DMS-59
32. A ____ connection on a video card provides analog output and are rarely (if ever) used for computers monitors - but might be used on some HDTV systems.
Flat displays
DVI-A (digital video-analog)
Resolution
Analog output
33. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
1280x720 1920x1080
HDCP
Brighter
Aperture grill
34. 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.
D-sub connector
CRT
VN (Twisted Nematic)
Widescreen
35. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
720p 1080i
16:9
IPS (In Plane Switching)
CRT native
36. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Normal
16:9
Diagonal
Brighter
37. 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.
Resolution
Utilities
CRT
DB-15
38. You can connect analog CRT monitors to a video card with a...
Better
Digital
1280x720 1920x1080
D-sub connector
39. ____ cable and female port.
S-video
16:9
1400 1050
External
40. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
Response time
Higher sharper
Dual link
41. DVI-D ____ link cable.
Adapter
CRT
Aspect ratio
Dual
42. 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
Analog CRT monitor
Viewing angle
Speakers USB
Response time
43. 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).
Interlacing
1280 1024
Widescreen
Better
44. ____ (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.
7
1920 1200
640 480
720p 1080i
45. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Dual
LED (Light Emitting Diode)
Response time
Normal
46. 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
Better
Brighter
Refresh
47. 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
Viewing angle
DVI-I DVI-D
Degauss
Analog CRT monitor
48. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
LCD monitor that accepts an analog connection
D-sub connector
DMS-59
49. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Higher sharper
Return policy
Dot pitch
4:3
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
CRT native
640 480
Dead
External