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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. ____ displays have a 4:3 aspect ratio (used in CRT displays).
DisplayPort
Normal
Shadow mask
Speakers USB
2. 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.
1920 1200
Analog output
Aperture grill
G2G (grey-to-grey - or GTG)
3. 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.
640 480
6
Speakers USB
Contrast ratio
4. ____ panels are the most expensive type of panel - and could be difficult to find.
1280 1024
Return policy
Screen
IPS (In Plane Switching)
5. ____ (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.
LED (Light Emitting Diode)
DVI-D (digital video-digital)
Video card
720p 1080i
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Dual link
Video card
1400 1050
D-sub connector
7. 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
1600 1200
D-sub
U V color
8. The D-sub connector on a video card provides....
Dead
2048 1536
Analog output
Pixel pitch
9. 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.
4
Converter box
Pixels
perture grill
10. DVI-D ____ link cable.
Video card
S-video
Single
Pixel pitch
11. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Analog
Normal
DVI-D (digital video-digital)
HDTV
12. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Response time
Static
Debris
Interlacing
13. 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.
both video and audio input
Dead pixel
Aperture grill
Dead
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Separately
1600 1200
VA (Vertical Alignment)
1024 768
15. 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 ____.
640 480
Viewing angle
Converter
1280x720 1920x1080
16. 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.
Better
Aperture grill
1280 1024
Dead
17. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
1680 1050
Video card
CRT
Aspect ratio
18. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Y UV
DVI-D (digital video-digital)
1400 1050
19. 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
IPS (In Plane Switching)
Degauss
Adapter
Same cable
20. 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
Interlacing
Shadow mask
Progressive scanning
21. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
4
Physical effective
Dual
Widescreen
22. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
LCD monitor that accepts an analog connection
Dynamic
Debris
Video card
23. 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
7
Shadow mask
6
DVI-D (digital video-digital)
24. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
DMS-59
S-video
Response time
TFT (thin film transistor)
25. The ____ is the ratio of the width and the height.
Higher sharper
Backlight
Aspect ratio
analog digital
26. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
16:9
CRT native
Shadow mask
27. ____ on the screen can be mistaken for a dead pixel.
Debris
HDCP
CCFL (Cold Cathode Fluorescent Lamp)
VA (Vertical Alignment)
28. 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
Viewing angle
DVI-I DVI-D
1024 768
Same cable
29. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
DVI-I (digital video-integrated)
TFT (thin film transistor)
Pixels
30. 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 ____.
DVI-A connection
DVI-D (digital video-digital)
Y brightness
Adapter
31. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Utilities
Interlacing
1024 768
Dead pixel
32. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Aperture grill
LCD monitor that accepts an analog connection
DVI-D (digital video-digital)
1400 1050
33. ____ (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.
16:9
800 600
Static
720p 1080i
34. 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 ____.
Degauss
Single source
1280x720 1920x1080
Refresh
35. ____ 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
DVI-D (digital video-digital)
Same cable
Worse
36. 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
Diagonal
Dual
Dead
37. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
4:3
F-type
G2G (grey-to-grey - or GTG)
Aperture grill
38. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Progressive scanning
TFT (thin film transistor)
7
CRT
39. 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.
1152 864
perture grill
VN (Twisted Nematic)
Higher sharper
40. 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
Degauss
CRT
Color shift
41. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1600 1200
Refresh
1920 1080
CRT
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
4:3
HDTV
LCD monitor that accepts an analog connection
TV-tuner
43. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
6
Converter
CRT
DVI-A (digital video-analog)
44. 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
Aspect ratio
Analog
Dual
45. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Y brightness
Brighter
Pixel pitch
both video and audio input
46. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Aperture grill
VA (Vertical Alignment)
Dynamic
Viewing angle
47. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Static
Dual link
Dual
1400 1050
48. 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.
Pixel pitch
Better
Dual link
6
49. ____ 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)
Resolution
DVI-A (digital video-analog)
Response time
50. 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
Brightness
1280x720 1920x1080
6