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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. Pressing lightly on the ____ may revive the pixel.
16:9
Screen
DVI-D (digital video-digital)
Resolution
2. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.
CRT native
Adapter
LED (Light Emitting Diode)
Composite video
3. 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.
Color shift
1152 864
Widescreen
DVI-D (digital video-digital)
4. 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
G2G (grey-to-grey - or GTG)
1920 1080
Diagonal
16:9
5. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Analog
1920 1200
Dual
LCD monitor that accepts an analog connection
6. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Dynamic
Composite
Shadow mask
Response time
7. DVI-D ____ link cable.
DVI-I DVI-D
Analog CRT monitor
Response time
Dual
8. 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.
VN (Twisted Nematic)
perture grill
Brighter
Aspect ratio
9. 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
DVI-I (digital video-integrated)
1600 1200
LED (Light Emitting Diode)
10. 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.
Analog CRT monitor
Progressive scanning
Contrast ratio
800 600
11. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
CRT
Dual
TFT (thin film transistor)
Single link
12. 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
16:9
Response time
Splits the signal
Speakers USB
13. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Shadow mask
1920 1080
U V color
D-sub
14. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
VN (Twisted Nematic)
Screen
7
15. ____ 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).
LED (Light Emitting Diode)
DVI-D (digital video-digital)
Contrast ratio
Dual link
16. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
Viewing angle
Interlacing
Better
17. ____ on the screen can be mistaken for a dead pixel.
Analog CRT monitor
Debris
Color shift
CRT
18. 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 ____.
Aspect ratio
TFT (thin film transistor)
1280x720 1920x1080
Y UV
19. 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.
Video card
HDCP
perture grill
VN (Twisted Nematic)
20. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Response time
IPS (In Plane Switching)
DVI-A connection
Composite video
21. The D-sub connector on a video card provides....
Dead pixel
DVI-D (digital video-digital)
Refresh
Analog output
22. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
LCD
Dynamic
640 480
HDTV
23. 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.
Dual link
Speakers USB
4:3
Physical effective
24. 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.
DVI-A (digital video-analog)
Color shift
Resolution
CCFL (Cold Cathode Fluorescent Lamp)
25. 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.
1680 1050
6
perture grill
1680 1050
26. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Diagonal
Aspect ratio
CRT
800 600
27. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Worse
Contrast ratio
Normal
TFT (thin film transistor)
28. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
VN (Twisted Nematic)
16:9
CRT
Dynamic
29. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
Widescreen
Response time
LED (Light Emitting Diode)
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Brighter
640 480
both video and audio input
Composite
31. 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
1920 1080
1280x720 1920x1080
Laptop
32. 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
Flat displays
VN (Twisted Nematic)
Brightness
33. 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.
HDCP
Static
Widescreen
Resolution
34. 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
Dead
TFT (thin film transistor)
VA (Vertical Alignment)
35. ____ 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.
DVI HDMI
DVI-I DVI-D
External
Static
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
LED (Light Emitting Diode)
Backlight
Degauss
640 480
37. 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
IPS (In Plane Switching)
Degauss
1400 1050
Y UV
38. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Video card
6
both video and audio input
CCFL (Cold Cathode Fluorescent Lamp)
39. 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
Screen
VN (Twisted Nematic)
640 480
40. 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
4:3
1680 1050
Higher sharper
1600 1200
41. 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.
Resolution
CRT
1152 864
Response time
42. 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.
1920 1200
HDTV
DVI-D (digital video-digital)
perture grill
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
G2G (grey-to-grey - or GTG)
800 600
DVI-I (digital video-integrated)
DVI-D (digital video-digital)
44. 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 link
D-sub DVI-A
IPS (In Plane Switching)
Single source
45. 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.
Widescreen
Progressive scanning
800 600
Contrast ratio
46. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Viewing angle
HDCP
Single link
CRT native
47. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
Dual
LCD
Pixel pitch
48. 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.
Aspect ratio
4:3
Resolution
D-sub
49. ____ 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)
720p 1080i
D-sub
Dead pixel
50. 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.
Dead pixel
Static
F-type
6