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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.
Splits the signal
TFT (thin film transistor)
both video and audio input
16:9
2. Monitor size is typically described using a ____ measurement.
720p 1080i
1024 768
Diagonal
Worse
3. LDC monitors use ____ panels that are the most common type used in computer monitors - especially in smaller sizes. These panels have very good response times (2ms to 5ms) - so are well-suited for games with a lot of motion.
800 600
640 480
Refresh
VN (Twisted Nematic)
4. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
DVI-I (digital video-integrated)
Aperture grill
TFT (thin film transistor)
5. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Response time
Dead pixel
Dynamic
Backlight
6. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Response time
4:3
Normal
Static
7. ____ 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.
Dead pixel
1400 1050
CRT
Video card
8. DVI-D ____ link cable.
Better
Color shift
perture grill
Single
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
800 600
16:9
Same cable
Adapter
10. 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
1280 1024
6
Brighter
Degauss
11. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Y UV
Dynamic
Brighter
Static
12. 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.
6
Aperture grill
DVI-D (digital video-digital)
Refresh
13. 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.
Utilities
Video card
TV-tuner
1024 768
14. 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.
DB-15
Dead
Worse
TFT (thin film transistor)
15. ____ female port.
Normal
CCFL (Cold Cathode Fluorescent Lamp)
TFT (thin film transistor)
DVI-D (digital video-digital)
16. 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.
CCFL (Cold Cathode Fluorescent Lamp)
1600 1200
perture grill
Debris
17. 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
1680 1050
CRT native
LED (Light Emitting Diode)
Debris
18. ____ female port.
Worse
Brightness
DVI-D (digital video-digital)
Brighter
19. 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.
CCFL (Cold Cathode Fluorescent Lamp)
1024 768
Resolution
Analog CRT monitor
20. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Debris
Speakers USB
Single link
LCD
21. The D-sub connector on a video card provides....
Physical effective
1680 1050
Analog output
IPS (In Plane Switching)
22. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Video card
Normal
LCD
Better
23. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
CRT native
VA (Vertical Alignment)
CRT
D-sub
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
IPS (In Plane Switching)
Speakers USB
analog digital
25. 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
Backlight
Brightness
Debris
External
26. 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
16:9
Dot pitch
Resolution
LED (Light Emitting Diode)
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1600 1200
Interlacing
Flat displays
1400 1050
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Y brightness
Widescreen
Static
29. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
CCFL (Cold Cathode Fluorescent Lamp)
Interlacing
1920 1080
Composite video
30. 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.
Normal
Higher sharper
DVI-I DVI-D
Response time
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
Response time
VN (Twisted Nematic)
HDCP
32. 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).
640 480
1152 864
1280 1024
1152 864
33. 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.
Screen
1920 1200
Analog output
Resolution
34. ____ 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.
LED (Light Emitting Diode)
DB-15
LCD
30 99
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.
Y brightness
800 600
IPS (In Plane Switching)
Backlight
36. 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
640 480
Shadow mask
Dead
1680 1050
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.
720p 1080i
Dual link
Higher sharper
30 99
38. 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
HDMI (High-Definition Multimedia Interface)
DVI-D (digital video-digital)
Single link
Degauss
39. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
Flat displays
CRT native
TFT (thin film transistor)
40. 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.
Analog output
Backlight
Brighter
Dual
41. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Brightness
DMS-59
Static
HDCP
42. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1920 1080
Brighter
perture grill
Viewing angle
43. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Normal
1920 1200
Dot pitch
IPS (In Plane Switching)
44. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
DVI-D (digital video-digital)
Interlacing
Color shift
Contrast ratio
45. 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.
Video card
Viewing angle
DVI-A connection
Dual link
46. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
IPS (In Plane Switching)
6
DB-15
both video and audio input
47. 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)
DVI-D (digital video-digital)
800 600
Converter
48. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Same cable
Digital
DisplayPort
1920 1200
49. The ____ is the ratio of the width and the height.
Pixel pitch
Dual link
LCD
Aspect ratio
50. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Resolution
DB-15
4:3
Interlacing