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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. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
1680 1050
Speakers USB
G2G (grey-to-grey - or GTG)
HDTV
2. 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
Dead
Y UV
LED (Light Emitting Diode)
3. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Dead pixel
Degauss
Dot pitch
4. The D-sub connector on a video card provides....
Color shift
Analog output
Worse
DVI-I (digital video-integrated)
5. 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.
Dual
VN (Twisted Nematic)
Flat displays
Analog output
6. DVI-D ____ link cable.
Resolution
Dual
VN (Twisted Nematic)
Better
7. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Brighter
Interlacing
1280 1024
800 600
8. 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
1280x720 1920x1080
Diagonal
IPS (In Plane Switching)
9. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Shadow mask
Higher sharper
Progressive scanning
1400 1050
10. 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
Resolution
Degauss
Progressive scanning
11. ____ 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.
Static
IPS (In Plane Switching)
2048 1536
Video card
12. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Physical effective
Color shift
TFT (thin film transistor)
Dual
13. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Normal
Brightness
HDCP
Flat displays
14. ____ 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.
Resolution
Worse
TFT (thin film transistor)
DVI HDMI
15. 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
Backlight
Composite
Degauss
6
16. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Degauss
7
800 600
G2G (grey-to-grey - or GTG)
17. You can connect analog CRT monitors to a video card with a...
CRT
D-sub connector
30 99
DVI-D (digital video-digital)
18. 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.
1920 1200
DB-15
DVI-A connection
Brightness
19. TN panels have ____ viewing angles and contrast ratios than the other display types.
Pixels
1680 1050
Worse
Normal
20. 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
Viewing angle
Refresh
HDCP
CRT
21. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
D-sub
Dual
Video card
DB-15
22. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
30 99
Digital
DVI-D (digital video-digital)
Dual
23. There are ____ to identify and possibly fix dead pixels on a monitor.
Debris
Single
1400 1050
Utilities
24. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
CCFL (Cold Cathode Fluorescent Lamp)
IPS (In Plane Switching)
DVI-I (digital video-integrated)
Dot pitch
25. 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)
both video and audio input
DVI-I (digital video-integrated)
26. 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.
Dot pitch
Refresh
Resolution
Dual
27. 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.
RCA
DisplayPort
DVI-I (digital video-integrated)
Interlacing
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Response time
1600 1200
Converter box
1280x720 1920x1080
29. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
640 480
Separately
Dynamic
Single link
30. 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
Analog
Video card
Brightness
31. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Brighter
Analog output
6
CRT
32. 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.
Y brightness
Resolution
G2G (grey-to-grey - or GTG)
RCA
33. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Shadow mask
Progressive scanning
Degauss
34. 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.
720p 1080i
800 600
1280x720 1920x1080
Backlight
35. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Color shift
Video card
Dead pixel
D-sub DVI-A
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
16:9
Adapter
Converter box
HDCP
37. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
720p 1080i
Resolution
TFT (thin film transistor)
38. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
TV-tuner
Debris
HDMI (High-Definition Multimedia Interface)
39. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
16:9
Static
Converter box
Progressive scanning
40. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Y UV
F-type
Dynamic
LCD monitor that accepts an analog connection
41. 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.
Higher sharper
Utilities
Analog CRT monitor
6
42. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Resolution
1152 864
Single link
43. 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.
Aperture grill
Contrast ratio
Shadow mask
Aspect ratio
44. 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
Better
VN (Twisted Nematic)
Aspect ratio
Degauss
45. The ____ contrast ratio indicates the difference that can be displayed at the same time.
TV-tuner
Progressive scanning
Static
Higher sharper
46. ____ 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.
LCD
Single source
Speakers USB
1280x720 1920x1080
47. The ____ is the ratio of the width and the height.
IPS (In Plane Switching)
CRT
Aspect ratio
1280x720 1920x1080
48. DisplayPort does not use ______ than DVI and HDMI.
1024 768
Higher voltage
1600 1200
6
49. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Dual
Resolution
Interlacing
1280 1024
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Single link
Interlacing
640 480
30 99