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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 ____ is the ratio of the width and the height.
DB-15
Dynamic
D-sub connector
Aspect ratio
2. 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
DVI-I DVI-D
Viewing angle
Converter box
1600 1200
3. 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
Progressive scanning
DVI-D (digital video-digital)
1024 768
4. 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.
IPS (In Plane Switching)
Brightness
Viewing angle
DVI-A connection
5. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
Shadow mask
1920 1080
Higher sharper
6. 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)
Interlacing
DVI-D (digital video-digital)
720p 1080i
7. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
IPS (In Plane Switching)
CRT
U V color
Dead pixel
8. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Viewing angle
Aspect ratio
CRT
TFT (thin film transistor)
9. 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.
DVI-I (digital video-integrated)
LCD monitor that accepts an analog connection
Single source
800 600
10. Monitor size is typically described using a ____ measurement.
Converter box
Converter box
Contrast ratio
Diagonal
11. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Splits the signal
Dot pitch
1280x720 1920x1080
IPS (In Plane Switching)
12. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
HDCP
Interlacing
Flat displays
Aperture grill
13. ____ video cable and female port.
Better
Composite
Video card
Splits the signal
14. 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.
1280x720 1920x1080
Contrast ratio
1152 864
HDCP
15. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
720p 1080i
1024 768
Better
Aperture grill
16. 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.
800 600
Single link
Contrast ratio
VN (Twisted Nematic)
17. 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
Dual link
1680 1050
Widescreen
Single link
18. ____ 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.
16:9
IPS (In Plane Switching)
Physical effective
D-sub connector
19. Additional monitor features include built in ____ or ____ hub.
Separately
Pixels
Dual
Speakers USB
20. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
1152 864
Dual
CRT
21. The HDTV connector uses a ____-pin mini-din cable.
7
Aperture grill
IPS (In Plane Switching)
1400 1050
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Dot pitch
1024 768
External
Static
23. 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
Speakers USB
Utilities
TFT (thin film transistor)
24. TN panels have ____ viewing angles and contrast ratios than the other display types.
Converter
Dot pitch
Dual
Worse
25. 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
1280x720 1920x1080
16:9
Degauss
Higher sharper
26. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Brighter
CCFL (Cold Cathode Fluorescent Lamp)
Static
Color shift
27. 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.
Widescreen
30 99
Dead pixel
Analog CRT monitor
28. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
CRT
VN (Twisted Nematic)
TFT (thin film transistor)
29. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Shadow mask
1280 1024
both video and audio input
30. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
HDCP
perture grill
Interlacing
DB-15
31. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar
Pixel pitch
perture grill
Worse
Shadow mask
32. 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.
Aspect ratio
Speakers USB
DMS-59
Contrast ratio
33. 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
DB-15
Dual link
DisplayPort
6
34. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
G2G (grey-to-grey - or GTG)
Return policy
1680 1050
CRT
35. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Degauss
IPS (In Plane Switching)
Composite
D-sub
36. ____ is an alternative to an HDMI connector.
Laptop
16:9
DisplayPort
Higher sharper
37. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Worse
1600 1200
Dead pixel
Brighter
38. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Worse
TFT (thin film transistor)
DVI-D (digital video-digital)
1152 864
39. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Y UV
Higher voltage
DVI-I DVI-D
1920 1200
40. 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.
U V color
Response time
Debris
Analog CRT monitor
41. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
both video and audio input
720p 1080i
Color shift
Single link
42. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Physical effective
Better
Color shift
1400 1050
43. The D-sub connector on a video card provides....
1152 864
D-sub connector
Dot pitch
Analog output
44. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Single
TFT (thin film transistor)
1920 1080
Return policy
45. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
G2G (grey-to-grey - or GTG)
perture grill
Dynamic
Aspect ratio
46. 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)
Return policy
1920 1080
perture grill
47. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Aspect ratio
IPS (In Plane Switching)
Flat displays
CRT native
48. ____ 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
Higher sharper
1400 1050
DisplayPort
49. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
16:9
both video and audio input
Digital
Splits the signal
50. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
LCD monitor that accepts an analog connection
Analog
1680 1050
4