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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. 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.
perture grill
Backlight
Viewing angle
DMS-59
2. 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
Video card
Static
External
3. ____ on the screen can be mistaken for a dead pixel.
DVI-I (digital video-integrated)
1280 1024
1600 1200
Debris
4. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
800 600
DVI-D (digital video-digital)
DVI HDMI
4:3
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
DVI-D (digital video-digital)
4:3
Degauss
800 600
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Normal
HDMI (High-Definition Multimedia Interface)
G2G (grey-to-grey - or GTG)
7. 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.
TFT (thin film transistor)
Widescreen
30 99
Video card
8. The D-sub connector on a video card provides....
1680 1050
G2G (grey-to-grey - or GTG)
Pixels
Analog output
9. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
1920 1080
1920 1200
HDCP
IPS (In Plane Switching)
10. 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.
DVI-D (digital video-digital)
Progressive scanning
VN (Twisted Nematic)
1600 1200
11. ____ 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.
Analog CRT monitor
Converter box
Response time
IPS (In Plane Switching)
12. 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
Widescreen
Degauss
DisplayPort
13. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
Resolution
HDTV
Dual
Dual
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1024 768
1400 1050
analog digital
1920 1200
15. You can connect analog CRT monitors to a video card with a...
Response time
D-sub connector
Shadow mask
1680 1050
16. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Diagonal
analog digital
F-type
Dead pixel
17. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Speakers USB
Interlacing
G2G (grey-to-grey - or GTG)
Debris
18. 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
Color shift
1400 1050
LCD
19. ____ 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.
Brightness
DMS-59
Video card
800 600
20. A ____ connection on a video card provides both analog and digital output.
Dual
800 600
Interlacing
DVI-I (digital video-integrated)
21. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
1400 1050
7
Resolution
Better
22. ____ 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)
Video card
External
Degauss
23. Monitor size is typically described using a ____ measurement.
Single link
Diagonal
DVI-D (digital video-digital)
Aspect ratio
24. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
DVI-D (digital video-digital)
VA (Vertical Alignment)
Viewing angle
Single source
25. ____ cable and female port.
S-video
Degauss
VN (Twisted Nematic)
Higher sharper
26. 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.
IPS (In Plane Switching)
DVI-A connection
Physical effective
HDCP
27. Pressing lightly on the ____ may revive the pixel.
perture grill
VA (Vertical Alignment)
Screen
Separately
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
G2G (grey-to-grey - or GTG)
1280 1024
perture grill
29. 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.
Laptop
Normal
DB-15
Static
30. 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.
Refresh
Brightness
both video and audio input
G2G (grey-to-grey - or GTG)
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
720p 1080i
Brighter
DB-15
32. 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
6
IPS (In Plane Switching)
LED (Light Emitting Diode)
Shadow mask
33. 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.
G2G (grey-to-grey - or GTG)
CRT
Widescreen
DVI-A (digital video-analog)
34. 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.
Video card
1024 768
CCFL (Cold Cathode Fluorescent Lamp)
Aspect ratio
35. 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.
Video card
Splits the signal
Separately
Pixel pitch
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
1600 1200
LCD
Converter
37. The HDTV connector uses a ____-pin mini-din cable.
7
D-sub connector
DVI-A (digital video-analog)
D-sub connector
38. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Video card
2048 1536
Widescreen
CRT
39. ____ (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.
CRT
720p 1080i
IPS (In Plane Switching)
Utilities
40. ____ 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.
Diagonal
Composite video
1152 864
IPS (In Plane Switching)
41. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
Diagonal
Same cable
CRT
1680 1050
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.
Normal
Normal
1680 1050
Progressive scanning
43. ____ 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.
CCFL (Cold Cathode Fluorescent Lamp)
Resolution
IPS (In Plane Switching)
DB-15
44. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Dot pitch
Normal
Analog
2048 1536
45. You can connect analog CRT monitors to a video card with a...
Refresh
Color shift
D-sub connector
Degauss
46. ____ 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
Interlacing
Resolution
1400 1050
47. 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.
1680 1050
Analog output
1920 1200
Dead
48. 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
Physical effective
Widescreen
Analog output
1680 1050
49. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
HDTV
7
Normal
50. The D-sub connector on a video card provides....
1920 1200
CRT
Single source
Analog output