SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 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.
Resolution
Viewing angle
Backlight
CRT
2. 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.
D-sub DVI-A
640 480
6
Resolution
3. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Analog output
U V color
Analog CRT monitor
4. TN panels have ____ viewing angles and contrast ratios than the other display types.
both video and audio input
Worse
Screen
4:3
5. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Contrast ratio
4:3
Screen
CCFL (Cold Cathode Fluorescent Lamp)
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Converter
IPS (In Plane Switching)
G2G (grey-to-grey - or GTG)
1920 1200
7. ____ (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.
Utilities
16:9
720p 1080i
Analog output
8. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.
Static
Interlacing
both video and audio input
Degauss
9. 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
TV-tuner
Pixels
IPS (In Plane Switching)
Converter
10. 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.
CRT
Converter
perture grill
Splits the signal
11. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Higher sharper
HDCP
Widescreen
CRT
12. 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
Response time
Contrast ratio
6
13. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
DVI-I (digital video-integrated)
Better
Speakers USB
14. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Contrast ratio
Dual link
Analog
Analog output
15. 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.
DVI-D (digital video-digital)
Pixel pitch
Progressive scanning
1152 864
16. 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.
LCD
Refresh
Response time
Dead pixel
17. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Single source
Widescreen
Diagonal
18. 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.
720p 1080i
DVI-A (digital video-analog)
Pixels
DB-15
19. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Dynamic
Higher sharper
CRT
800 600
20. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
1152 864
Color shift
IPS (In Plane Switching)
Degauss
21. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Better
1152 864
Brighter
Response time
22. ____ (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.
Separately
HDMI (High-Definition Multimedia Interface)
Analog CRT monitor
720p 1080i
23. 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
1024 768
Viewing angle
Aperture grill
CRT
24. The ____ contrast ratio indicates the difference that can be displayed at the same time.
CCFL (Cold Cathode Fluorescent Lamp)
6
VA (Vertical Alignment)
Static
25. 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.
640 480
Y brightness
IPS (In Plane Switching)
Resolution
26. ____ female port.
HDMI (High-Definition Multimedia Interface)
HDCP
CRT
DVI-D (digital video-digital)
27. 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
Progressive scanning
Diagonal
Screen
LED (Light Emitting Diode)
28. You can connect analog CRT monitors to a video card with a...
Dual link
D-sub connector
Speakers USB
CRT native
29. The D-sub connector on a video card provides....
1400 1050
Analog output
Interlacing
IPS (In Plane Switching)
30. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Aspect ratio
1280x720 1920x1080
Normal
Viewing angle
31. 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.
Response time
HDMI (High-Definition Multimedia Interface)
Degauss
DVI-I DVI-D
32. 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.
7
Same cable
LCD
Resolution
33. 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.
Dual
DB-15
CCFL (Cold Cathode Fluorescent Lamp)
Screen
34. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Resolution
Shadow mask
HDTV
35. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
IPS (In Plane Switching)
Shadow mask
CRT native
Color shift
36. 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.
DVI-A (digital video-analog)
1920 1080
D-sub connector
Video card
37. 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.
1024 768
G2G (grey-to-grey - or GTG)
Interlacing
Aperture grill
38. ____ female port.
HDCP
Brightness
DVI-D (digital video-digital)
1280 1024
39. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Composite
Color shift
HDMI (High-Definition Multimedia Interface)
Backlight
40. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
1920 1080
Speakers USB
Single source
41. The ____ is the ratio of the width and the height.
Aspect ratio
LCD monitor that accepts an analog connection
DVI-A (digital video-analog)
1680 1050
42. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
1920 1080
4
Same cable
Speakers USB
43. ____ cable and female port.
Single link
S-video
4:3
DVI-I (digital video-integrated)
44. ____ video cable and female port.
Composite
Contrast ratio
1280x720 1920x1080
Response time
45. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Debris
CRT native
4:3
720p 1080i
46. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Response time
Video card
DVI-D (digital video-digital)
6
47. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
CRT
D-sub
720p 1080i
IPS (In Plane Switching)
48. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Dead pixel
G2G (grey-to-grey - or GTG)
IPS (In Plane Switching)
DVI HDMI
49. DVI-D ____ link cable.
Contrast ratio
Dual
Diagonal
Physical effective
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Dead
U V color
F-type
1920 1200