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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 ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
Interlacing
Speakers USB
6
2. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
Speakers USB
DVI-D (digital video-digital)
Pixels
Composite video
3. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Interlacing
Same cable
Dynamic
Response time
4. 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.
Contrast ratio
Flat displays
DVI-A connection
LCD monitor that accepts an analog connection
5. 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
1920 1200
Video card
2048 1536
6. 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.
Refresh
DVI-A (digital video-analog)
Diagonal
U V color
7. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
TFT (thin film transistor)
1280x720 1920x1080
DB-15
Dead pixel
8. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Video card
CRT
Interlacing
DVI HDMI
9. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Color shift
D-sub connector
Dead pixel
10. 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.
Pixel pitch
Converter box
Physical effective
Response time
11. The ____ connector is used to allow multiple video ports from a single connection.It is typically included on slimline video cards that can have only a single port. It sends out two separate DVI-I signals through the single connector.
Worse
DVI-D (digital video-digital)
D-sub connector
DMS-59
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Single link
Normal
1920 1200
1024 768
13. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
DVI-A connection
perture grill
Pixels
TFT (thin film transistor)
14. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
1400 1050
1152 864
Flat displays
both video and audio input
15. ____ 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.
perture grill
LCD
HDCP
Single
16. 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
Dead
800 600
CRT
Shadow mask
17. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Flat displays
Backlight
HDCP
DVI-I (digital video-integrated)
18. ____ and ____ are electrically equivalent - meaning that a simple pin-to-pin adapter is all that is required to connect a DVI device to an HDMI port.
CCFL (Cold Cathode Fluorescent Lamp)
DVI HDMI
1600 1200
Refresh
19. TN panels have ____ viewing angles and contrast ratios than the other display types.
Resolution
Worse
DVI-A connection
Flat displays
20. 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.
2048 1536
Pixel pitch
VN (Twisted Nematic)
DVI-D (digital video-digital)
21. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Dual
IPS (In Plane Switching)
Contrast ratio
1152 864
22. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
CRT
1024 768
HDCP
Resolution
23. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.
Interlacing
6
CRT
RCA
24. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
30 99
Worse
Interlacing
25. ____ panels are the most expensive type of panel - and could be difficult to find.
1920 1200
Video card
IPS (In Plane Switching)
640 480
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.
DVI-D (digital video-digital)
Response time
Physical effective
800 600
27. 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.
Worse
4
Aspect ratio
perture grill
28. 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
640 480
Resolution
800 600
29. 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.
Degauss
Refresh
Refresh
DVI-A connection
30. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1152 864
CCFL (Cold Cathode Fluorescent Lamp)
S-video
1920 1080
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Dead
1024 768
CCFL (Cold Cathode Fluorescent Lamp)
Brighter
32. 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.
640 480
DVI-A connection
Color shift
LCD
33. ____ panels are the most expensive type of panel - and could be difficult to find.
DVI-A (digital video-analog)
IPS (In Plane Switching)
Dual link
1152 864
34. 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.
CRT
1600 1200
DVI-I (digital video-integrated)
Physical effective
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.
Interlacing
Dynamic
Backlight
Y brightness
36. 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.
Progressive scanning
Dot pitch
IPS (In Plane Switching)
Response time
37. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
Dynamic
D-sub
F-type
LED (Light Emitting Diode)
38. ____ (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.
Backlight
720p 1080i
Pixels
Analog CRT monitor
39. 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.
Analog CRT monitor
Dual
Response time
Widescreen
40. 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.
Utilities
DVI-D (digital video-digital)
CCFL (Cold Cathode Fluorescent Lamp)
D-sub connector
41. 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
LCD
both video and audio input
Refresh
42. 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.
Dead
800 600
DisplayPort
Contrast ratio
43. ____ cable and female port.
S-video
Normal
Refresh
Single link
44. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Refresh
IPS (In Plane Switching)
Interlacing
LCD monitor that accepts an analog connection
45. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Backlight
4:3
Flat displays
Single
46. 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 ____.
Converter box
Response time
1152 864
Response time
47. 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.
HDCP
Splits the signal
Response time
Refresh
48. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
1280 1024
800 600
Flat displays
Y UV
49. 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.
30 99
Better
D-sub DVI-A
1680 1050
50. Additional monitor features include built in ____ or ____ hub.
Laptop
1920 1200
Speakers USB
Normal