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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. Composite signals combine three qualities of video into a single signal; the ____ channel is for ____ or luminance and U and V channels provide color information.
Dead pixel
Better
Y brightness
Dual
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
16:9
1400 1050
1024 768
3. ____ 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).
640 480
Dual link
1280x720 1920x1080
LED (Light Emitting Diode)
4. 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.
Composite
CRT native
DVI-I (digital video-integrated)
Contrast ratio
5. 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.
Dot pitch
RCA
Response time
Speakers USB
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
1600 1200
Dual link
1280 1024
640 480
7. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
DVI HDMI
Higher sharper
2048 1536
CRT
8. 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.
Physical effective
DMS-59
Brighter
Higher sharper
9. 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
Response time
perture grill
IPS (In Plane Switching)
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.
720p 1080i
Analog output
Physical effective
Brightness
11. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Viewing angle
Response time
Dual
VA (Vertical Alignment)
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
Brighter
Degauss
CCFL (Cold Cathode Fluorescent Lamp)
Contrast ratio
13. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
IPS (In Plane Switching)
Shadow mask
30 99
14. 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.
Resolution
CRT
IPS (In Plane Switching)
Progressive scanning
15. 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
Interlacing
DVI-I (digital video-integrated)
LED (Light Emitting Diode)
1024 768
16. 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.
Resolution
Widescreen
Pixels
CCFL (Cold Cathode Fluorescent Lamp)
17. A ____ connection on a video card provides both analog and digital output.
HDCP
Refresh
DVI-I (digital video-integrated)
16:9
18. 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.
Single link
Dead
Aperture grill
Brighter
19. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
Worse
Y UV
Contrast ratio
Normal
20. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Return policy
Resolution
800 600
Backlight
21. 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.
LED (Light Emitting Diode)
DB-15
Dual
720p 1080i
22. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
D-sub connector
Composite
Aspect ratio
Better
23. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Better
Dual
Response time
Brighter
24. 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
Aperture grill
DVI-I DVI-D
1024 768
25. ____ 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.
CRT
640 480
Video card
1024 768
26. Pressing lightly on the ____ may revive the pixel.
Progressive scanning
Screen
Worse
IPS (In Plane Switching)
27. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
DVI HDMI
Y brightness
CRT
Color shift
28. 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
Shadow mask
1680 1050
CRT
U V color
29. Without a built-in tuner - video input is limited to a ____ channel - and changing TV channels must be done at the ____ device before inputting into the video card.
Single source
Converter box
2048 1536
Analog output
30. Additional monitor features include built in ____ or ____ hub.
Speakers USB
1280 1024
Composite
Normal
31. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
1920 1200
both video and audio input
1024 768
32. 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.
Normal
Aperture grill
CRT
HDCP
33. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
DVI-I DVI-D
Video card
Single
640 480
34. ____ panels are the most expensive type of panel - and could be difficult to find.
6
D-sub connector
DVI-D (digital video-digital)
IPS (In Plane Switching)
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Utilities
VA (Vertical Alignment)
Higher sharper
1024 768
36. 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
Same cable
16:9
D-sub DVI-A
perture grill
37. 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 ____.
Normal
1152 864
Return policy
1280x720 1920x1080
38. There are ____ to identify and possibly fix dead pixels on a monitor.
both video and audio input
720p 1080i
Utilities
Brightness
39. ____ 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)
IPS (In Plane Switching)
DVI-D (digital video-digital)
Contrast ratio
40. 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.
Flat displays
perture grill
DMS-59
D-sub connector
41. ____ cable and female port.
S-video
Pixel pitch
Dead
Response time
42. The HDTV connector uses a ____-pin mini-din cable.
S-video
Utilities
800 600
7
43. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Widescreen
Converter box
Separately
Interlacing
44. 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.
perture grill
DVI-I (digital video-integrated)
CCFL (Cold Cathode Fluorescent Lamp)
VN (Twisted Nematic)
45. 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.
Refresh
Physical effective
CCFL (Cold Cathode Fluorescent Lamp)
Response time
46. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
G2G (grey-to-grey - or GTG)
1400 1050
Dead
IPS (In Plane Switching)
47. 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.
1280x720 1920x1080
Physical effective
both video and audio input
perture grill
48. The ____ is the ratio of the width and the height.
Pixel pitch
Worse
Viewing angle
Aspect ratio
49. 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.
Flat displays
DVI-D (digital video-digital)
Video card
Laptop
50. ____ 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.
Interlacing
LCD
Interlacing
Analog