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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 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.
DVI-I DVI-D
Degauss
DMS-59
Speakers USB
2. 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
DB-15
Separately
Converter box
LED (Light Emitting Diode)
3. 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.
1280x720 1920x1080
Aperture grill
Viewing angle
DVI-A connection
4. The D-sub connector on a video card provides....
Analog output
Single source
1280 1024
720p 1080i
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.
Response time
Brightness
Utilities
Shadow mask
6. As with composite and s-video - audio must be supplied to the device...
IPS (In Plane Switching)
Separately
Video card
Dot pitch
7. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
1920 1080
perture grill
D-sub
Resolution
8. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
640 480
Static
CRT native
Video card
9. 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
6
Interlacing
Adapter
10. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Progressive scanning
6
Response time
Better
11. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
perture grill
Brighter
Single link
CRT native
12. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Composite video
2048 1536
800 600
30 99
13. ____ on the screen can be mistaken for a dead pixel.
Contrast ratio
Widescreen
Color shift
Debris
14. 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.
Diagonal
CRT
Response time
Adapter
15. 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
CCFL (Cold Cathode Fluorescent Lamp)
DB-15
4
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Response time
Adapter
1280 1024
1152 864
17. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Return policy
Aperture grill
16:9
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
Static
Aperture grill
1680 1050
19. 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
30 99
Dynamic
Return policy
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.
VN (Twisted Nematic)
Aperture grill
720p 1080i
Dynamic
21. 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 ____.
2048 1536
640 480
Converter box
Adapter
22. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
G2G (grey-to-grey - or GTG)
Response time
Dual link
Screen
23. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
640 480
Pixel pitch
1280x720 1920x1080
HDCP
24. There are ____ to identify and possibly fix dead pixels on a monitor.
4:3
Dual
Utilities
Backlight
25. The ____ contrast ratio indicates the difference that can be displayed at the same time.
IPS (In Plane Switching)
Dead
Static
Analog
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
HDTV
1680 1050
1400 1050
640 480
27. The ____ identifies the angle at which the image can still be seen. With LCD monitors - the image will be dimmer and colors distorted when viewed from an angle. It is described with two numbers: horizontal angle and vertical angle - with a higher num
CRT
Dot pitch
Viewing angle
TFT (thin film transistor)
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
D-sub connector
DVI-A connection
both video and audio input
1680 1050
29. ____ is an alternative to an HDMI connector.
LED (Light Emitting Diode)
DisplayPort
Dead
Shadow mask
30. 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
Diagonal
both video and audio input
Normal
DisplayPort
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.
Separately
Aperture grill
Contrast ratio
Resolution
32. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
1280x720 1920x1080
Viewing angle
1400 1050
TFT (thin film transistor)
33. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Interlacing
Static
Dynamic
Separately
34. 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
Dual link
Refresh
IPS (In Plane Switching)
35. You can connect analog CRT monitors to a video card with a...
D-sub connector
Dot pitch
Dual
4
36. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
DVI-D (digital video-digital)
Aperture grill
External
37. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
TFT (thin film transistor)
Speakers USB
30 99
Dead pixel
38. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
HDCP
1680 1050
1920 1080
Diagonal
39. 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.
VN (Twisted Nematic)
Backlight
Digital
Converter
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
Dynamic
Brightness
Single link
1680 1050
41. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
Physical effective
Degauss
VN (Twisted Nematic)
HDMI (High-Definition Multimedia Interface)
42. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
Analog CRT monitor
U V color
Resolution
Dual
43. 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.
DB-15
F-type
perture grill
Video card
44. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Debris
IPS (In Plane Switching)
Digital
Speakers USB
45. ____ cable and female port.
6
S-video
640 480
Response time
46. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Diagonal
Utilities
1920 1080
47. Having a few dead ____ can be common on many displays.
4:3
Resolution
Pixels
Interlacing
48. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Normal
DB-15
Higher sharper
Video card
49. 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.
Dual
F-type
Dead pixel
Analog CRT monitor
50. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
D-sub DVI-A
Composite
External
Color shift