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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.
If you are not ready to take this test, you can
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. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
DVI-D (digital video-digital)
TFT (thin film transistor)
CRT
Interlacing
2. ____ 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)
DisplayPort
Dual link
Viewing angle
3. ____ (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.
Degauss
Brightness
720p 1080i
Laptop
4. The LCD ____ provides the light that makes the individual pixels visible. The light itself is actually along the top - bottom - and/or sides - with a special layer that reflects the light throughout the display.
Analog
Pixel pitch
Backlight
Viewing angle
5. The D-sub connector on a video card provides....
Pixels
Analog output
Brightness
Interlacing
6. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
Same cable
Analog
Single
Flat displays
7. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1600 1200
1152 864
Analog output
Normal
8. 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
Backlight
DVI-D (digital video-digital)
Response time
Viewing angle
9. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.
VN (Twisted Nematic)
Adapter
Backlight
1920 1200
10. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
DVI-I (digital video-integrated)
TV-tuner
Interlacing
11. 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)
LED (Light Emitting Diode)
both video and audio input
Better
12. 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
Color shift
Flat displays
Resolution
1680 1050
13. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
DB-15
Pixel pitch
Dual link
14. 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 ____.
Shadow mask
1280x720 1920x1080
CRT
Brighter
15. 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.
1920 1200
640 480
1152 864
DB-15
16. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
1680 1050
DisplayPort
perture grill
17. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
DB-15
VN (Twisted Nematic)
Higher sharper
18. ____ 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
Video card
HDMI (High-Definition Multimedia Interface)
1024 768
TFT (thin film transistor)
19. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
CRT
Pixel pitch
1152 864
7
20. 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)
Shadow mask
Progressive scanning
Widescreen
21. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
Resolution
DB-15
1680 1050
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
4:3
1600 1200
Converter box
Higher sharper
23. The ____ rate is the amount of time (measured in Hz) required for the CRT's electron beam to paint the screen from top to bottom. Increasing the rate reduces screen flicker.
Refresh
Response time
G2G (grey-to-grey - or GTG)
Worse
24. Pressing lightly on the ____ may revive the pixel.
Screen
Dynamic
D-sub connector
Worse
25. A ____ connection on a video card provides both analog and digital output.
640 480
DVI-I (digital video-integrated)
Video card
2048 1536
26. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Viewing angle
DVI-A (digital video-analog)
Interlacing
27. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Flat displays
Brightness
Dual
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Separately
Color shift
1280x720 1920x1080
640 480
29. Monitor size is typically described using a ____ measurement.
Aspect ratio
Diagonal
VA (Vertical Alignment)
DVI-I (digital video-integrated)
30. The ____ is the ratio of the width and the height.
LED (Light Emitting Diode)
Resolution
Aspect ratio
CRT native
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
Separately
Progressive scanning
Response time
32. There are ____ to identify and possibly fix dead pixels on a monitor.
TFT (thin film transistor)
Aspect ratio
Utilities
Dual link
33. 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.
D-sub connector
Analog CRT monitor
perture grill
Dynamic
34. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
DisplayPort
both video and audio input
1280x720 1920x1080
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Debris
800 600
CRT
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.
6
1400 1050
800 600
Resolution
37. The ____ refers to the difference in light intensity between the brightest white and the darkest black. An example is 1000:1. A higher initial number indicates a better quality picture.
Dual
DVI-A connection
Normal
Contrast ratio
38. 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
640 480
1280x720 1920x1080
1680 1050
39. 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.
Return policy
Worse
Progressive scanning
TFT (thin film transistor)
40. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Y brightness
Splits the signal
Better
41. ____ on the screen can be mistaken for a dead pixel.
analog digital
Debris
1280 1024
Converter
42. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Degauss
Resolution
Progressive scanning
43. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Higher sharper
DVI-D (digital video-digital)
Screen
Laptop
44. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Resolution
TFT (thin film transistor)
1600 1200
CRT native
45. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
perture grill
2048 1536
TV-tuner
Static
46. ____ (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.
Pixel pitch
720p 1080i
Physical effective
Video card
47. A DVI-A (digital video-analog) is used for an ____________. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.
Higher voltage
Return policy
Contrast ratio
Analog CRT monitor
48. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Converter
800 600
Analog
Debris
49. 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.
1600 1200
HDCP
DVI-A connection
Return policy
50. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Y brightness
Widescreen
Response time
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