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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. DVI-D ____ link cable.
Speakers USB
1600 1200
Dual
Response time
2. 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.
Resolution
16:9
Screen
Refresh
3. 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.
IPS (In Plane Switching)
F-type
CCFL (Cold Cathode Fluorescent Lamp)
Normal
4. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Composite
DVI-A connection
DVI-I DVI-D
Static
5. 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.
Dead
G2G (grey-to-grey - or GTG)
CRT
Composite video
6. 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.
Splits the signal
Analog CRT monitor
Color shift
CRT native
7. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Pixel pitch
TFT (thin film transistor)
1152 864
8. ____ 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.
CRT
Video card
Single link
IPS (In Plane Switching)
9. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
HDCP
6
1400 1050
G2G (grey-to-grey - or GTG)
10. 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
CRT
16:9
Higher sharper
DVI-I DVI-D
11. 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
Normal
4:3
Degauss
Brightness
12. 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.
1280 1024
DVI-I (digital video-integrated)
Diagonal
F-type
13. ____ 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)
Screen
Video card
Interlacing
14. ____ 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.
DVI-A (digital video-analog)
DVI-A (digital video-analog)
LCD
Higher voltage
15. Additional monitor features include built in ____ or ____ hub.
DVI-D (digital video-digital)
Digital
Speakers USB
LCD monitor that accepts an analog connection
16. 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.
HDTV
1280x720 1920x1080
Resolution
DVI-A (digital video-analog)
17. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Shadow mask
Dead pixel
Better
Shadow mask
18. Additional monitor features include built in ____ or ____ hub.
6
Composite
1152 864
Speakers USB
19. 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.
analog digital
Converter
Static
IPS (In Plane Switching)
20. 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 ____.
IPS (In Plane Switching)
DB-15
1280x720 1920x1080
Dot pitch
21. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
HDCP
DisplayPort
D-sub DVI-A
Degauss
22. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
G2G (grey-to-grey - or GTG)
Contrast ratio
Dual
23. 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.
2048 1536
Response time
CCFL (Cold Cathode Fluorescent Lamp)
perture grill
24. 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.
1680 1050
800 600
Color shift
Analog CRT monitor
25. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
DVI HDMI
800 600
IPS (In Plane Switching)
1920 1080
26. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
HDMI (High-Definition Multimedia Interface)
Dot pitch
DVI-I (digital video-integrated)
DMS-59
27. 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.
Dynamic
Refresh
Dot pitch
DMS-59
28. 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.
Interlacing
Degauss
Better
analog digital
29. 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.
DVI-A (digital video-analog)
HDMI (High-Definition Multimedia Interface)
1920 1080
Interlacing
30. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
G2G (grey-to-grey - or GTG)
IPS (In Plane Switching)
Digital
Composite
31. 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.
Dot pitch
Interlacing
6
Contrast ratio
32. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Higher sharper
IPS (In Plane Switching)
Normal
2048 1536
33. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
Return policy
CRT
30 99
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
perture grill
Laptop
1920 1200
CRT
35. 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
Single source
Single link
Y brightness
Viewing angle
36. The D-sub connector on a video card provides....
TFT (thin film transistor)
Analog output
Contrast ratio
Dual
37. 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.
Resolution
IPS (In Plane Switching)
DB-15
Physical effective
38. ____ 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
Aspect ratio
Adapter
4:3
HDMI (High-Definition Multimedia Interface)
39. 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
Laptop
1680 1050
1400 1050
7
40. 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.
DVI-I (digital video-integrated)
Single link
Brightness
Widescreen
41. Having a few dead ____ can be common on many displays.
Pixels
Interlacing
Response time
Brighter
42. 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
Speakers USB
External
Aspect ratio
LED (Light Emitting Diode)
43. 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.
Contrast ratio
30 99
U V color
Dynamic
44. 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.
Backlight
CCFL (Cold Cathode Fluorescent Lamp)
Widescreen
Video card
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
2048 1536
D-sub
16:9
46. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Single source
1280x720 1920x1080
CRT
CRT native
47. DVI-D ____ link cable.
Pixels
Brightness
Refresh
Single
48. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Backlight
DB-15
1280x720 1920x1080
Flat displays
49. 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.
Worse
DB-15
Dual link
Digital
50. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
DB-15
DisplayPort
VN (Twisted Nematic)
Pixels
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