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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 HDTV connector uses a ____-pin mini-din cable.
Contrast ratio
7
IPS (In Plane Switching)
D-sub connector
2. 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
Pixel pitch
4:3
LED (Light Emitting Diode)
Normal
3. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
IPS (In Plane Switching)
Pixels
TFT (thin film transistor)
Debris
4. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Refresh
Composite
Flat displays
External
5. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
DVI-A (digital video-analog)
Response time
Single link
1920 1200
6. ____ 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.
IPS (In Plane Switching)
Dot pitch
640 480
DVI-D (digital video-digital)
7. ____ panels are the most expensive type of panel - and could be difficult to find.
Return policy
IPS (In Plane Switching)
1024 768
Shadow mask
8. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
Contrast ratio
Aspect ratio
G2G (grey-to-grey - or GTG)
9. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
2048 1536
LED (Light Emitting Diode)
CRT native
Aspect ratio
10. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Response time
Resolution
Speakers USB
Higher sharper
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Dead
Composite video
1600 1200
DisplayPort
12. 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.
Aperture grill
Dead
1024 768
IPS (In Plane Switching)
13. 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.
DVI-A (digital video-analog)
Aperture grill
Backlight
Refresh
14. 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
LED (Light Emitting Diode)
16:9
Response time
Refresh
15. 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.
1152 864
DVI-D (digital video-digital)
LED (Light Emitting Diode)
Refresh
16. ____ displays have a 4:3 aspect ratio (used in CRT displays).
IPS (In Plane Switching)
Higher sharper
4:3
Normal
17. 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.
Speakers USB
Response time
Video card
Video card
18. Having a few dead ____ can be common on many displays.
LED (Light Emitting Diode)
TFT (thin film transistor)
CCFL (Cold Cathode Fluorescent Lamp)
Pixels
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Speakers USB
Splits the signal
DVI-D (digital video-digital)
20. 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.
analog digital
1280x720 1920x1080
Aperture grill
Resolution
21. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Refresh
Diagonal
Normal
IPS (In Plane Switching)
22. 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.
CRT native
Degauss
Physical effective
Composite
23. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Worse
Video card
DVI-A (digital video-analog)
24. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
DVI-A (digital video-analog)
Refresh
Dynamic
Analog CRT monitor
25. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.
Normal
CRT
Response time
1280 1024
26. 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.
Worse
1680 1050
CCFL (Cold Cathode Fluorescent Lamp)
Normal
27. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Higher sharper
Response time
IPS (In Plane Switching)
Aspect ratio
28. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Debris
Better
Analog
16:9
29. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
Progressive scanning
S-video
Video card
LCD
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
F-type
1024 768
Interlacing
DVI-I (digital video-integrated)
31. 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
D-sub connector
720p 1080i
Analog CRT monitor
32. 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.
External
Interlacing
D-sub connector
Same cable
33. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Refresh
Converter box
Response time
1920 1200
34. 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
2048 1536
Pixels
LED (Light Emitting Diode)
35. 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.
D-sub connector
Degauss
1024 768
30 99
36. 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
Return policy
G2G (grey-to-grey - or GTG)
800 600
LED (Light Emitting Diode)
37. 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.
Converter
720p 1080i
DVI-A (digital video-analog)
Response time
38. 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).
6
Physical effective
1280 1024
DVI-D (digital video-digital)
39. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
Resolution
DB-15
4
40. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
640 480
IPS (In Plane Switching)
D-sub connector
41. 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.
Interlacing
DVI-D (digital video-digital)
Dead
Response time
42. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Physical effective
4:3
G2G (grey-to-grey - or GTG)
Debris
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Dual link
800 600
DVI-D (digital video-digital)
Response time
44. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Worse
Interlacing
1920 1200
Response time
45. ____ 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
Brightness
DVI-I DVI-D
Separately
HDMI (High-Definition Multimedia Interface)
46. As with composite and s-video - audio must be supplied to the device...
perture grill
DB-15
1920 1200
Separately
47. The D-sub connector on a video card provides....
Better
Viewing angle
Flat displays
Analog output
48. 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.
Dead
1024 768
DVI-A (digital video-analog)
DB-15
49. Having a few dead ____ can be common on many displays.
Pixels
Converter box
Resolution
6
50. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Widescreen
Interlacing
CCFL (Cold Cathode Fluorescent Lamp)
Worse