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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. 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.
Widescreen
1152 864
1280x720 1920x1080
IPS (In Plane Switching)
2. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Dead
IPS (In Plane Switching)
VA (Vertical Alignment)
Laptop
3. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Aperture grill
Y UV
Interlacing
640 480
4. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
LCD
Dual link
CRT native
Brighter
5. 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.
Separately
Flat displays
Normal
DVI-A connection
6. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
CRT
Single
800 600
Resolution
7. 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.
Response time
Flat displays
Higher sharper
DVI-D (digital video-digital)
8. DVI-D ____ link cable.
Dual
IPS (In Plane Switching)
Better
1280x720 1920x1080
9. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
720p 1080i
TFT (thin film transistor)
CRT
800 600
10. 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.
Dot pitch
Resolution
S-video
Static
11. Having a few dead ____ can be common on many displays.
Pixels
G2G (grey-to-grey - or GTG)
Converter box
Dynamic
12. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
perture grill
CRT
CRT native
D-sub connector
13. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.
DB-15
Brighter
30 99
Converter
14. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
Physical effective
HDMI (High-Definition Multimedia Interface)
Diagonal
15. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
D-sub DVI-A
F-type
Debris
16. ____ 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.
IPS (In Plane Switching)
Brightness
Single link
Video card
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
CRT
DVI-D (digital video-digital)
1920 1080
1152 864
18. TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.
6
RCA
VA (Vertical Alignment)
Interlacing
19. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
Video card
analog digital
Resolution
Brightness
20. You can connect an analog CRT or LCD monitor to a video card with a DVI-I connector. This requires a cable with a ____ connection on one end and a ____ connection on the other end.
Video card
D-sub DVI-A
1600 1200
VA (Vertical Alignment)
21. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
IPS (In Plane Switching)
DVI-I DVI-D
Debris
1024 768
22. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Screen
Brighter
6
Video card
23. 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
1920 1080
CRT
Shadow mask
both video and audio input
24. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
G2G (grey-to-grey - or GTG)
800 600
DVI-I (digital video-integrated)
Dead pixel
25. There are ____ to identify and possibly fix dead pixels on a monitor.
Normal
Utilities
Y brightness
Video card
26. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Viewing angle
2048 1536
LCD monitor that accepts an analog connection
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
CRT
DVI-D (digital video-digital)
1024 768
HDCP
28. 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
4
both video and audio input
Viewing angle
29. 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.
Response time
720p 1080i
D-sub connector
1152 864
30. ____ panels are the most expensive type of panel - and could be difficult to find.
Response time
both video and audio input
IPS (In Plane Switching)
VA (Vertical Alignment)
31. 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.
Brighter
CCFL (Cold Cathode Fluorescent Lamp)
1920 1200
DVI-A (digital video-analog)
32. Having a few dead ____ can be common on many displays.
1920 1200
Pixels
CRT
CRT native
33. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Normal
Progressive scanning
DVI-D (digital video-digital)
Digital
34. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
16:9
IPS (In Plane Switching)
640 480
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Widescreen
1152 864
Static
LCD
36. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
2048 1536
4:3
TFT (thin film transistor)
Interlacing
37. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
Static
Viewing angle
DisplayPort
640 480
38. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Worse
VN (Twisted Nematic)
640 480
CRT
39. 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.
Better
Contrast ratio
HDCP
D-sub
40. DVI-D ____ link cable.
Brightness
Screen
Widescreen
Dual
41. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
Worse
U V color
LED (Light Emitting Diode)
Composite video
42. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
1024 768
Single
1920 1080
4:3
43. TN panels have ____ viewing angles and contrast ratios than the other display types.
Flat displays
Pixel pitch
Worse
1920 1200
44. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Video card
Static
1600 1200
Dynamic
45. 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 ____.
1280x720 1920x1080
Dual link
1400 1050
720p 1080i
46. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
6
1024 768
Response time
IPS (In Plane Switching)
47. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Brighter
VA (Vertical Alignment)
4:3
Response time
48. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
both video and audio input
D-sub connector
Dynamic
Contrast ratio
49. ____ on the screen can be mistaken for a dead pixel.
Debris
Static
Resolution
6
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
4
640 480
Viewing angle
Shadow mask