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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).
1024 768
Response time
IPS (In Plane Switching)
Single
2. ____ female port.
DVI-D (digital video-digital)
F-type
TFT (thin film transistor)
1152 864
3. ____ 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.
Physical effective
Aperture grill
DB-15
IPS (In Plane Switching)
4. The D-sub connector on a video card provides....
Analog output
Resolution
Color shift
Interlacing
5. 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.
Normal
1400 1050
G2G (grey-to-grey - or GTG)
Single source
6. 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.
Composite
Static
Dead
16:9
7. 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.
Progressive scanning
Dynamic
CRT
6
8. 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.
Response time
Dead pixel
1152 864
Aperture grill
9. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Shadow mask
Dual link
Color shift
both video and audio input
10. 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.
LED (Light Emitting Diode)
Progressive scanning
Color shift
16:9
11. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.
Aspect ratio
Viewing angle
HDMI (High-Definition Multimedia Interface)
Splits the signal
12. 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.
6
DB-15
CRT native
Response time
13. 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
Worse
Progressive scanning
Converter box
14. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
DVI-I DVI-D
Higher sharper
1280 1024
1280x720 1920x1080
15. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
LCD monitor that accepts an analog connection
G2G (grey-to-grey - or GTG)
VA (Vertical Alignment)
Analog output
16. TN panels have ____ viewing angles and contrast ratios than the other display types.
Dual
Worse
perture grill
Aspect ratio
17. 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).
Pixel pitch
Refresh
Converter box
1280 1024
18. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
G2G (grey-to-grey - or GTG)
CRT
Video card
19. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DVI-D (digital video-digital)
CCFL (Cold Cathode Fluorescent Lamp)
Dot pitch
Pixels
20. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Y UV
Debris
perture grill
21. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Video card
2048 1536
Converter box
Splits the signal
22. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
Aperture grill
30 99
CRT
CCFL (Cold Cathode Fluorescent Lamp)
23. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Analog output
16:9
LCD monitor that accepts an analog connection
Resolution
24. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
CRT native
Dynamic
Color shift
analog digital
25. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
F-type
Dynamic
DB-15
26. ____ 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.
Shadow mask
Viewing angle
IPS (In Plane Switching)
Y brightness
27. ____ on the screen can be mistaken for a dead pixel.
Debris
Same cable
IPS (In Plane Switching)
DVI HDMI
28. 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.
Screen
1920 1200
LED (Light Emitting Diode)
Response time
29. 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.
G2G (grey-to-grey - or GTG)
Progressive scanning
Dual link
Backlight
30. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
F-type
16:9
Utilities
800 600
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
DVI-A (digital video-analog)
Dual
Normal
1600 1200
32. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
Same cable
Y UV
Worse
Dead
33. 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.
Same cable
30 99
1280x720 1920x1080
U V color
34. 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.
Pixel pitch
Progressive scanning
30 99
Video card
35. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
800 600
Degauss
both video and audio input
36. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Converter box
Video card
both video and audio input
Resolution
37. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Dead pixel
Single link
1600 1200
Brighter
38. 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
2048 1536
1280 1024
1920 1200
39. 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.
Brighter
Widescreen
Pixels
1920 1200
40. 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
DB-15
Progressive scanning
Resolution
41. Pressing lightly on the ____ may revive the pixel.
Screen
1680 1050
DVI-A connection
Dot pitch
42. 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.
Flat displays
Better
Refresh
Normal
43. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
1024 768
4:3
DB-15
44. 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.
LCD monitor that accepts an analog connection
perture grill
DVI-D (digital video-digital)
VA (Vertical Alignment)
45. 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.
Worse
Contrast ratio
Better
800 600
46. 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)
CRT
6
720p 1080i
47. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Physical effective
DB-15
LCD monitor that accepts an analog connection
48. 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.
Speakers USB
perture grill
Dead
16:9
49. 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.
Backlight
Diagonal
Dynamic
Aperture grill
50. 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)
Better
720p 1080i
LCD monitor that accepts an analog connection