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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
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certifications
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comptia-a-+
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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 ____ contrast ratio indicates the difference that the monitor is capable of producing.
perture grill
Degauss
Dynamic
Digital
2. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
VA (Vertical Alignment)
Flat displays
Interlacing
Same cable
3. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
CRT
640 480
External
Resolution
4. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Converter box
Response time
Viewing angle
640 480
5. The ____ is the ratio of the width and the height.
1280 1024
4:3
Aspect ratio
Interlacing
6. 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
6
Worse
CRT
7. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dual
1280x720 1920x1080
CRT
Dead pixel
8. 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.
Analog CRT monitor
Worse
DVI-I (digital video-integrated)
Dead
9. 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
Brighter
Pixels
Separately
10. ____ panels are the most expensive type of panel - and could be difficult to find.
Progressive scanning
Worse
IPS (In Plane Switching)
Interlacing
11. 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
Composite
both video and audio input
DB-15
Viewing angle
12. The ____ connector is used to allow multiple video ports from a single connection.It is typically included on slimline video cards that can have only a single port. It sends out two separate DVI-I signals through the single connector.
DB-15
D-sub
1600 1200
DMS-59
13. 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.
Analog
Interlacing
IPS (In Plane Switching)
Dual
14. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
HDMI (High-Definition Multimedia Interface)
Degauss
Brighter
1024 768
15. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Normal
VA (Vertical Alignment)
Pixels
1920 1200
16. 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.
30 99
U V color
Pixel pitch
Converter
17. 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.
Better
DVI-I DVI-D
analog digital
1280x720 1920x1080
18. The D-sub connector on a video card provides....
Color shift
both video and audio input
LCD
Analog output
19. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Y UV
Normal
Dead pixel
G2G (grey-to-grey - or GTG)
20. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
CRT
LCD
DVI-D (digital video-digital)
Color shift
21. 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.
Pixels
Backlight
800 600
1920 1200
22. ____ 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
Physical effective
CRT
HDMI (High-Definition Multimedia Interface)
23. 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.
DVI-I (digital video-integrated)
Single
Refresh
Splits the signal
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
DVI HDMI
DB-15
1024 768
640 480
25. 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
DB-15
7
1280 1024
26. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
TFT (thin film transistor)
Resolution
Splits the signal
Response time
27. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Splits the signal
LCD
Interlacing
28. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
800 600
Single link
30 99
1680 1050
29. 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.
TV-tuner
Interlacing
CRT native
Refresh
30. 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
4:3
DB-15
Better
31. 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.
Shadow mask
Pixel pitch
Aperture grill
1680 1050
32. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
DVI-I DVI-D
LCD monitor that accepts an analog connection
Interlacing
33. ____ 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)
1920 1080
DB-15
Analog output
34. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Adapter
640 480
1024 768
35. 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
Contrast ratio
Degauss
Pixels
Dead
36. 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.
Laptop
Pixels
Aperture grill
1680 1050
37. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Aspect ratio
640 480
Analog CRT monitor
38. DVI-D ____ link cable.
800 600
Worse
2048 1536
Dual
39. 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.
7
Physical effective
800 600
Dual
40. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
1920 1200
6
Video card
Refresh
41. 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.
CCFL (Cold Cathode Fluorescent Lamp)
640 480
16:9
Converter
42. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Single link
1680 1050
Pixel pitch
IPS (In Plane Switching)
43. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Pixels
16:9
4:3
Speakers USB
44. The D-sub connector on a video card provides....
Dead
DVI-A connection
Analog output
Interlacing
45. 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.
DVI-D (digital video-digital)
G2G (grey-to-grey - or GTG)
Progressive scanning
perture grill
46. ____ displays have a 4:3 aspect ratio (used in CRT displays).
1152 864
Normal
Dual
Degauss
47. 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.
Progressive scanning
Response time
D-sub connector
30 99
48. 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.
DVI-I (digital video-integrated)
Analog CRT monitor
TFT (thin film transistor)
Static
49. Some LCD monitors have a D-sub connection - or you might need a cable with this connection on one end and a _______ on the other end to connect to the LCD monitor.
CCFL (Cold Cathode Fluorescent Lamp)
DVI-A connection
D-sub connector
Video card
50. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Higher sharper
640 480
Pixel pitch