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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. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
DVI-D (digital video-digital)
Flat displays
HDCP
S-video
2. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
6
Aspect ratio
Dual
Pixel pitch
3. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
DisplayPort
Resolution
D-sub
DMS-59
4. A ____ connection on a video card provides both analog and digital output.
DVI-I (digital video-integrated)
LCD
Resolution
4
5. 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.
DMS-59
Pixel pitch
RCA
Video card
6. 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.
Higher sharper
1280 1024
Widescreen
Refresh
7. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
1920 1200
analog digital
Better
Color shift
8. 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.
perture grill
Resolution
Interlacing
Brighter
9. Green monitors are Energy Star or Green Star compliant. These monitors use less than ____ watts and reduce power consumption by ____% when in sleep or suspended mode.
30 99
16:9
Video card
Response time
10. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Refresh
CRT
Response time
IPS (In Plane Switching)
11. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
D-sub connector
1280 1024
Laptop
12. ____ 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
Progressive scanning
HDMI (High-Definition Multimedia Interface)
1280x720 1920x1080
Interlacing
13. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
Refresh
Y UV
Brightness
DB-15
14. 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.
IPS (In Plane Switching)
Response time
Dual link
6
15. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Interlacing
16:9
640 480
Higher sharper
16. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
2048 1536
DVI-A (digital video-analog)
D-sub connector
G2G (grey-to-grey - or GTG)
17. ____ 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.
Dynamic
Pixel pitch
LCD
1600 1200
18. 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.
D-sub DVI-A
Aperture grill
640 480
1920 1200
19. 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.
1920 1200
CCFL (Cold Cathode Fluorescent Lamp)
6
Widescreen
20. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.
Composite
Refresh
Dead
DMS-59
21. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
VN (Twisted Nematic)
800 600
Speakers USB
Same cable
22. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Brighter
DVI-D (digital video-digital)
VN (Twisted Nematic)
2048 1536
23. 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.
Degauss
Resolution
both video and audio input
DB-15
24. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
analog digital
G2G (grey-to-grey - or GTG)
Dot pitch
640 480
25. ____ or luminance identifies the amount of light the monitor produces (how bright it is) and is measured in candelas per square meter (cd/m2 also called a Nit) - with a higher number indicating a brighter screen.
Brightness
VN (Twisted Nematic)
Response time
both video and audio input
26. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Resolution
F-type
Dynamic
1280 1024
27. Additional monitor features include built in ____ or ____ hub.
Shadow mask
7
both video and audio input
Speakers USB
28. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Aperture grill
Brightness
Static
1920 1080
29. 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.
DMS-59
IPS (In Plane Switching)
Aperture grill
CRT
30. There are ____ to identify and possibly fix dead pixels on a monitor.
Static
Utilities
Digital
Video card
31. 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.
DVI-D (digital video-digital)
Dual
perture grill
IPS (In Plane Switching)
32. DVI-D ____ link cable.
Normal
Analog output
1920 1200
Dual
33. ____ 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).
4:3
1280x720 1920x1080
Brighter
Dual link
34. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
Dot pitch
D-sub connector
CRT
35. 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
External
16:9
G2G (grey-to-grey - or GTG)
Converter box
36. 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.
LCD monitor that accepts an analog connection
1400 1050
Widescreen
Debris
37. 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
Aspect ratio
DVI-I (digital video-integrated)
1680 1050
38. 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.
IPS (In Plane Switching)
both video and audio input
Refresh
Widescreen
39. 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.
Backlight
LCD monitor that accepts an analog connection
Color shift
Converter
40. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Widescreen
Dynamic
Aperture grill
41. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.
Pixels
6
CRT
Dead
42. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Response time
Analog
Response time
Color shift
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Better
Brightness
1400 1050
DB-15
44. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Interlacing
1920 1200
Pixels
Brightness
45. 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.
HDCP
Interlacing
External
30 99
46. 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.
Y UV
720p 1080i
DVI-A connection
perture grill
47. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Dual link
Response time
Video card
48. A DVI-A (digital video-analog) is used for an ____________. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.
Utilities
Analog CRT monitor
TFT (thin film transistor)
Progressive scanning
49. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
16:9
2048 1536
Response time
Higher sharper
50. DVI-D ____ link cable.
F-type
Dual
Analog output
TV-tuner