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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. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Higher sharper
800 600
both video and audio input
Flat displays
2. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Adapter
analog digital
1920 1080
Progressive scanning
3. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
16:9
Dynamic
4:3
Resolution
4. The ____ contrast ratio indicates the difference that can be displayed at the same time.
640 480
Aperture grill
LCD monitor that accepts an analog connection
Static
5. 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.
analog digital
1280 1024
Splits the signal
CRT native
6. 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
perture grill
Flat displays
TV-tuner
7. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
both video and audio input
Dead pixel
Backlight
8. 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
16:9
VN (Twisted Nematic)
Return policy
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
CCFL (Cold Cathode Fluorescent Lamp)
16:9
Converter box
1600 1200
10. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.
640 480
LED (Light Emitting Diode)
Aperture grill
Pixel pitch
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Higher sharper
DVI-D (digital video-digital)
Better
12. 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
Diagonal
External
U V color
DVI-D (digital video-digital)
13. 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.
Pixel pitch
720p 1080i
DVI-A (digital video-analog)
Contrast ratio
14. Having a few dead ____ can be common on many displays.
Pixels
Dot pitch
1280x720 1920x1080
1280x720 1920x1080
15. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
DB-15
Interlacing
CRT
6
16. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Color shift
Dead
Resolution
Single link
17. Monitor size is typically described using a ____ measurement.
VN (Twisted Nematic)
Aperture grill
DVI-A connection
Diagonal
18. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
1920 1200
Resolution
IPS (In Plane Switching)
1280x720 1920x1080
19. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
HDCP
TFT (thin film transistor)
DisplayPort
Contrast ratio
20. 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.
Aspect ratio
DVI-I (digital video-integrated)
1280x720 1920x1080
Single link
21. 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.
Diagonal
Brighter
Worse
Video card
22. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Composite video
Static
2048 1536
Analog output
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Widescreen
1920 1200
Composite
IPS (In Plane Switching)
24. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
both video and audio input
Response time
CRT native
Video card
25. Having a few dead ____ can be common on many displays.
Composite
TFT (thin film transistor)
Pixels
G2G (grey-to-grey - or GTG)
26. ____ female port.
Single link
DVI-D (digital video-digital)
Converter box
1920 1080
27. DVI-D ____ link cable.
Single
Color shift
1600 1200
CRT native
28. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
DB-15
Color shift
DisplayPort
Resolution
29. Do not confuse video in - which can be supplied by composite - s-video - or HDTV connectors - with ____ capabilities. The built-in tuner means that the card or monitor itself has the ability to accept multi-channel input and change the display by cha
TV-tuner
Composite
1024 768
1280 1024
30. 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 ____.
Laptop
both video and audio input
Converter box
Viewing angle
31. 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.
640 480
Resolution
Static
6
32. 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.
Single
Viewing angle
Response time
Dead
33. 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.
Static
VN (Twisted Nematic)
1280 1024
Progressive scanning
34. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
HDMI (High-Definition Multimedia Interface)
Diagonal
720p 1080i
both video and audio input
35. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Single
DVI-I DVI-D
Pixels
Normal
36. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
1600 1200
Worse
Resolution
37. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
LED (Light Emitting Diode)
Worse
G2G (grey-to-grey - or GTG)
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
Degauss
IPS (In Plane Switching)
TFT (thin film transistor)
Worse
39. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
4:3
DMS-59
LCD monitor that accepts an analog connection
40. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1600 1200
1152 864
1280x720 1920x1080
Response time
41. 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.
Contrast ratio
6
CCFL (Cold Cathode Fluorescent Lamp)
Brightness
42. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
IPS (In Plane Switching)
DVI HDMI
Dual link
Same cable
43. 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.
Single link
Physical effective
DVI-A connection
Response time
44. There are ____ to identify and possibly fix dead pixels on a monitor.
External
Video card
Utilities
Splits the signal
45. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Dynamic
Color shift
4
Dot pitch
46. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Widescreen
CRT native
Dynamic
Speakers USB
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
6
Interlacing
Dynamic
1400 1050
48. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Aperture grill
DMS-59
1400 1050
Speakers USB
49. Pressing lightly on the ____ may revive the pixel.
Screen
6
CRT native
DB-15
50. 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.
Dynamic
Backlight
Dot pitch
6