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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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certifications
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comptia-a-+
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Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LCD monitor that accepts an analog connection
Single
16:9
Normal
2. 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
720p 1080i
DVI-A connection
16:9
3. 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
Dynamic
Composite video
DVI HDMI
4. 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.
DB-15
Aspect ratio
VN (Twisted Nematic)
perture grill
5. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Degauss
Flat displays
IPS (In Plane Switching)
Interlacing
6. A ____ connection on a video card provides both analog and digital output.
Pixel pitch
LCD monitor that accepts an analog connection
Worse
DVI-I (digital video-integrated)
7. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Static
Diagonal
Flat displays
Pixels
8. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
Static
DMS-59
Interlacing
9. 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.
Better
LCD monitor that accepts an analog connection
Refresh
Shadow mask
10. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
D-sub DVI-A
perture grill
D-sub connector
11. ____ cable and female port.
Aperture grill
6
RCA
S-video
12. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Converter box
1280x720 1920x1080
Brighter
13. TN panels have ____ viewing angles and contrast ratios than the other display types.
Color shift
Worse
CRT
Dual link
14. 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.
CRT
DisplayPort
Dot pitch
perture grill
15. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
30 99
Dot pitch
1024 768
HDCP
16. 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.
Aspect ratio
Backlight
Brightness
D-sub
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Analog
800 600
Progressive scanning
Dead
18. ____ on the screen can be mistaken for a dead pixel.
1920 1080
Normal
Debris
DB-15
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Interlacing
Dead pixel
640 480
Dot pitch
20. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
DVI-D (digital video-digital)
Dual
Return policy
CRT
21. 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.
Backlight
Physical effective
Resolution
VA (Vertical Alignment)
22. ____ 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.
1600 1200
CRT
IPS (In Plane Switching)
Brighter
23. ____ 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.
1024 768
S-video
CRT
Physical effective
24. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Speakers USB
Dual
Dynamic
D-sub
25. 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
7
DVI-I (digital video-integrated)
Degauss
Physical effective
26. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Pixels
1152 864
TFT (thin film transistor)
Analog CRT monitor
27. If you are concerned about dead pixels - review the ____ before purchasing.
Dead pixel
Viewing angle
Return policy
DVI-D (digital video-digital)
28. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
Composite
Converter box
Single
DVI-A (digital video-analog)
29. 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.
LED (Light Emitting Diode)
DVI-I DVI-D
Analog CRT monitor
Dynamic
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
DisplayPort
External
Better
31. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
Flat displays
Dot pitch
Aperture grill
32. ____ 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.
Dot pitch
IPS (In Plane Switching)
Brighter
Separately
33. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
1280x720 1920x1080
Dot pitch
Dynamic
Static
34. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1920 1080
Utilities
G2G (grey-to-grey - or GTG)
Dual
35. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
CRT
2048 1536
Brightness
CCFL (Cold Cathode Fluorescent Lamp)
36. ____ is an alternative to an HDMI connector.
Aperture grill
DisplayPort
Composite
Normal
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
Splits the signal
Dead
Converter box
38. ____ 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)
LCD
Brighter
640 480
39. 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
Aspect ratio
Viewing angle
1680 1050
Speakers USB
40. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Normal
Degauss
VN (Twisted Nematic)
CRT
41. 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
CRT
1920 1080
Degauss
CRT
42. 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.
D-sub DVI-A
Aperture grill
DB-15
CRT
43. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
1920 1200
Brighter
Static
1400 1050
44. 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.
Screen
Refresh
Response time
D-sub connector
45. ____ DVI-D connectors have 3 rows of 8 pins plus the horizontal pin (often called a 25-pin - 24+1-pin - or 24-pin connector).
6
Higher voltage
Dual link
30 99
46. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
G2G (grey-to-grey - or GTG)
Normal
Color shift
Response time
47. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
G2G (grey-to-grey - or GTG)
Better
DB-15
VA (Vertical Alignment)
48. TN panels have ____ viewing angles and contrast ratios than the other display types.
1920 1080
Video card
Worse
Better
49. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Dead
TFT (thin film transistor)
Static
CRT
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1152 864
1400 1050
LED (Light Emitting Diode)
Single
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