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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. ____ displays have a 4:3 aspect ratio (used in CRT displays).
2048 1536
Progressive scanning
Normal
1024 768
2. ____ displays have a 4:3 aspect ratio (used in CRT displays).
CRT native
perture grill
Normal
800 600
3. 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
1680 1050
Interlacing
IPS (In Plane Switching)
Higher sharper
4. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Viewing angle
both video and audio input
1400 1050
Worse
5. 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.
Speakers USB
DB-15
DMS-59
640 480
6. 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.
1024 768
Refresh
Dual link
Composite
7. Additional monitor features include built in ____ or ____ hub.
Single
Speakers USB
D-sub DVI-A
2048 1536
8. 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).
1280 1024
Screen
Better
Brighter
9. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Laptop
Dot pitch
LCD
16:9
10. ____ 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)
Worse
TFT (thin film transistor)
DisplayPort
11. The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
1280x720 1920x1080
2048 1536
DVI-I (digital video-integrated)
Progressive scanning
12. ____ (1280 x 720 progressive scan) and ____ (1920 x 1080 with interlacing) identify displays that do not support full HD content - with both 720p and 1080i being comparable in quality.
Normal
720p 1080i
Shadow mask
Dual link
13. TN panels have ____ viewing angles and contrast ratios than the other display types.
CRT
Progressive scanning
Worse
Shadow mask
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
CRT
Higher voltage
16:9
15. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
720p 1080i
1680 1050
Brighter
1920 1080
16. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
VN (Twisted Nematic)
Composite
Progressive scanning
CRT
17. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
800 600
Pixel pitch
CRT
F-type
18. You can connect analog CRT monitors to a video card with a...
D-sub connector
Return policy
Response time
RCA
19. 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
Refresh
1024 768
Single link
20. 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
Dead pixel
Response time
LED (Light Emitting Diode)
16:9
21. ____ is an alternative to an HDMI connector.
G2G (grey-to-grey - or GTG)
1280x720 1920x1080
640 480
DisplayPort
22. 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.
Resolution
Contrast ratio
CRT
both video and audio input
23. Having a few dead ____ can be common on many displays.
Resolution
Aspect ratio
1680 1050
Pixels
24. 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
30 99
VN (Twisted Nematic)
800 600
25. 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.
Normal
Dead
D-sub connector
Aspect ratio
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
Widescreen
Single link
1680 1050
27. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
IPS (In Plane Switching)
DMS-59
Digital
VA (Vertical Alignment)
28. ____ or luminance identifies the amount of light the monitor produces (how bright it is) and is measured in candelas per square meter (cd/m2 also called a Nit) - with a higher number indicating a brighter screen.
Analog output
Dual link
800 600
Brightness
29. 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 ____.
DVI-A (digital video-analog)
LCD monitor that accepts an analog connection
1280x720 1920x1080
DVI-D (digital video-digital)
30. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
D-sub connector
Composite
Response time
30 99
31. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Better
Interlacing
Dot pitch
Worse
32. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
4
Response time
DVI-D (digital video-digital)
Viewing angle
33. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
Y UV
Same cable
TV-tuner
Shadow mask
34. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
both video and audio input
Composite video
Contrast ratio
TFT (thin film transistor)
35. 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.
U V color
Backlight
16:9
Video card
36. ____ video cable and female port.
CRT native
Composite
Dual
Analog CRT monitor
37. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Diagonal
16:9
4:3
16:9
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
perture grill
1280 1024
Viewing angle
Degauss
39. The ____ is the ratio of the width and the height.
CRT native
7
Aspect ratio
LCD monitor that accepts an analog connection
40. 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)
Utilities
720p 1080i
IPS (In Plane Switching)
41. 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.
DVI-I (digital video-integrated)
Response time
Single
1920 1200
42. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
D-sub connector
D-sub connector
Physical effective
Flat displays
43. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
CRT
720p 1080i
Dead pixel
Response time
44. ____ 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.
1920 1200
CRT
DVI-A (digital video-analog)
Aperture grill
45. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
IPS (In Plane Switching)
800 600
1600 1200
CRT native
46. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
DVI-I (digital video-integrated)
30 99
Viewing angle
VA (Vertical Alignment)
47. 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
Pixels
Viewing angle
LED (Light Emitting Diode)
Screen
48. ____ displays have a 4:3 aspect ratio (used in CRT displays).
F-type
Contrast ratio
Normal
Dual
49. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Dot pitch
Video card
Analog output
HDCP
50. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Contrast ratio
Better
DB-15
D-sub