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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. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
1920 1080
Dual
IPS (In Plane Switching)
2. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Analog output
DB-15
CRT native
4:3
3. Pressing lightly on the ____ may revive the pixel.
Dual
both video and audio input
Screen
Resolution
4. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar
Shadow mask
1024 768
CCFL (Cold Cathode Fluorescent Lamp)
Diagonal
5. Having a few dead ____ can be common on many displays.
CRT native
Static
Composite
Pixels
6. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Higher voltage
Utilities
Interlacing
TFT (thin film transistor)
7. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Single
Pixels
Pixel pitch
1280x720 1920x1080
8. The ____ contrast ratio indicates the difference that can be displayed at the same time.
1280 1024
G2G (grey-to-grey - or GTG)
Static
Brightness
9. DVI-D ____ link cable.
Static
Single
VA (Vertical Alignment)
Physical effective
10. 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
U V color
Dot pitch
LED (Light Emitting Diode)
1680 1050
11. 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.
D-sub
Shadow mask
DVI-A connection
Aperture grill
12. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is
Resolution
Widescreen
Pixels
External
13. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
DVI-I DVI-D
Brighter
Video card
720p 1080i
14. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
D-sub
TFT (thin film transistor)
Converter box
Contrast ratio
15. ____ displays have a 4:3 aspect ratio (used in CRT displays).
IPS (In Plane Switching)
Brightness
Normal
Aperture grill
16. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Resolution
LCD monitor that accepts an analog connection
Dual
Dot pitch
17. 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.
Response time
DB-15
Better
perture grill
18. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
both video and audio input
VA (Vertical Alignment)
LCD monitor that accepts an analog connection
TFT (thin film transistor)
19. 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
800 600
640 480
LED (Light Emitting Diode)
1680 1050
20. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Resolution
CCFL (Cold Cathode Fluorescent Lamp)
Contrast ratio
21. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Backlight
Brightness
both video and audio input
1600 1200
22. 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.
Progressive scanning
D-sub
Dot pitch
Interlacing
23. 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
IPS (In Plane Switching)
IPS (In Plane Switching)
4:3
1680 1050
24. TN panels have ____ viewing angles and contrast ratios than the other display types.
D-sub connector
Worse
Debris
IPS (In Plane Switching)
25. 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.
Single
640 480
RCA
30 99
26. ____ 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.
LCD
DVI-I DVI-D
640 480
Brightness
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.
CCFL (Cold Cathode Fluorescent Lamp)
Refresh
640 480
External
28. 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.
Same cable
DVI-A (digital video-analog)
Splits the signal
Aspect ratio
29. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
VN (Twisted Nematic)
CRT
Video card
TFT (thin film transistor)
30. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
DVI-A connection
Backlight
VN (Twisted Nematic)
4:3
31. 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
LCD monitor that accepts an analog connection
Backlight
perture grill
32. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Debris
1152 864
D-sub connector
1600 1200
33. ____ 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.
both video and audio input
Degauss
Color shift
CRT
34. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
LCD monitor that accepts an analog connection
HDCP
perture grill
1680 1050
35. ____ 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.
16:9
DVI-D (digital video-digital)
IPS (In Plane Switching)
CRT
36. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Y UV
Better
Interlacing
Higher sharper
37. 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
Diagonal
1152 864
LED (Light Emitting Diode)
38. 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
CRT native
LED (Light Emitting Diode)
Composite
720p 1080i
39. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Dynamic
Video card
800 600
30 99
40. 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.
analog digital
30 99
1600 1200
Brighter
41. 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.
Analog CRT monitor
CRT
Video card
Single
42. 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.
Progressive scanning
1024 768
Composite
VA (Vertical Alignment)
43. 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
Dead pixel
Adapter
1920 1080
Degauss
44. 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 ____.
Flat displays
Resolution
Worse
1280x720 1920x1080
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Widescreen
1920 1200
Return policy
16:9
46. The D-sub connector on a video card provides....
DVI-I (digital video-integrated)
DVI-A (digital video-analog)
Analog output
1600 1200
47. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
TFT (thin film transistor)
Refresh
CRT
Response time
48. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
HDCP
Pixel pitch
Single
LCD monitor that accepts an analog connection
49. 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.
Degauss
Contrast ratio
U V color
IPS (In Plane Switching)
50. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
720p 1080i
Dot pitch
1152 864
4:3