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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
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certifications
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comptia-a-+
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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 an HDMI input that accepts ____________ through the HDMI port.
Progressive scanning
720p 1080i
both video and audio input
VA (Vertical Alignment)
2. 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
Viewing angle
Better
Dead pixel
3. 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
analog digital
16:9
IPS (In Plane Switching)
Single
4. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
1280x720 1920x1080
Progressive scanning
Video card
Resolution
5. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Composite video
6
DVI-I (digital video-integrated)
Dot pitch
6. ____ 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
1280 1024
2048 1536
Pixel pitch
7. 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.
Worse
DB-15
Interlacing
Analog CRT monitor
8. 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
Single
DisplayPort
Aspect ratio
Interlacing
9. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
DVI-A connection
2048 1536
Aperture grill
Composite video
10. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Resolution
1024 768
800 600
Utilities
11. 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.
DVI-A (digital video-analog)
Response time
Progressive scanning
30 99
12. ____ cable and female port.
VA (Vertical Alignment)
S-video
Shadow mask
720p 1080i
13. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Brighter
640 480
Normal
1920 1200
14. ____ female port.
DVI-D (digital video-digital)
1024 768
Diagonal
CRT
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.
IPS (In Plane Switching)
1280x720 1920x1080
Dynamic
Refresh
16. 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.
LCD
Pixel pitch
4:3
6
17. ____ panels are the most expensive type of panel - and could be difficult to find.
Analog
IPS (In Plane Switching)
6
TFT (thin film transistor)
18. 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.
Degauss
1400 1050
16:9
VN (Twisted Nematic)
19. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
2048 1536
640 480
6
Better
20. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
DVI-A connection
Utilities
Dual
Pixel pitch
21. 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
Physical effective
Viewing angle
DVI-D (digital video-digital)
Response time
22. 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.
HDMI (High-Definition Multimedia Interface)
DVI-A connection
Dot pitch
DVI-A (digital video-analog)
23. Video cards with HDTV output typically include a conversion cable that converts the 7-pin connector into three ____ cables for connecting to an HDTV device.
Refresh
RCA
16:9
Degauss
24. ____ (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.
Dual link
Dead
720p 1080i
Brightness
25. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Video card
Dual
Resolution
Flat displays
26. Having a few dead ____ can be common on many displays.
Pixels
Viewing angle
Degauss
LCD monitor that accepts an analog connection
27. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Shadow mask
DVI-I (digital video-integrated)
IPS (In Plane Switching)
Brightness
28. 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.
IPS (In Plane Switching)
Contrast ratio
Aspect ratio
Aspect ratio
29. 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
RCA
Digital
Shadow mask
30. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
RCA
CRT native
Brighter
Analog CRT monitor
31. 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 ____.
DB-15
Response time
Adapter
Brightness
32. 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-D (digital video-digital)
CCFL (Cold Cathode Fluorescent Lamp)
Adapter
Composite
33. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
CRT
Color shift
G2G (grey-to-grey - or GTG)
IPS (In Plane Switching)
34. There are ____ to identify and possibly fix dead pixels on a monitor.
DB-15
External
Utilities
Composite
35. 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
DVI-A (digital video-analog)
VA (Vertical Alignment)
Flat displays
36. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Dynamic
Interlacing
IPS (In Plane Switching)
37. 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.
Converter box
LCD
6
Aperture grill
38. 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.
Debris
Brightness
Resolution
LED (Light Emitting Diode)
39. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Refresh
DVI-I DVI-D
Better
DVI-D (digital video-digital)
40. 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.
Dot pitch
VN (Twisted Nematic)
1024 768
Physical effective
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
HDMI (High-Definition Multimedia Interface)
Utilities
DVI-D (digital video-digital)
Pixel pitch
42. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
CCFL (Cold Cathode Fluorescent Lamp)
HDTV
Brighter
Speakers USB
43. ____ 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.
Y brightness
LCD
CRT
Flat displays
44. 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
both video and audio input
D-sub connector
Converter
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Converter
Speakers USB
1024 768
IPS (In Plane Switching)
46. The ____ is the ratio of the width and the height.
Aspect ratio
Dual
6
16:9
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Response time
1920 1200
Video card
CRT native
48. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
Interlacing
Video card
Video card
49. 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
perture grill
800 600
16:9
both video and audio input
50. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Dead pixel
Debris
Video card
Laptop