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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. 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.
perture grill
CCFL (Cold Cathode Fluorescent Lamp)
Physical effective
Diagonal
2. 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.
DVI-A (digital video-analog)
IPS (In Plane Switching)
1280 1024
Backlight
3. 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.
Degauss
perture grill
Worse
Interlacing
4. 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.
640 480
External
perture grill
Pixels
5. ____ 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.
Dual
Brightness
U V color
IPS (In Plane Switching)
6. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Pixels
DVI-D (digital video-digital)
Dual
HDCP
7. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Utilities
DVI-D (digital video-digital)
perture grill
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.
2048 1536
Contrast ratio
Analog output
Shadow mask
9. 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
Dynamic
Viewing angle
LED (Light Emitting Diode)
30 99
10. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
LCD
Digital
Single link
Diagonal
11. 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.
640 480
LCD monitor that accepts an analog connection
Single source
CRT
12. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
16:9
Worse
DVI-D (digital video-digital)
Brighter
13. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
VA (Vertical Alignment)
1280x720 1920x1080
Composite
14. 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.
1600 1200
Composite
CRT
perture grill
15. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
1024 768
HDCP
D-sub connector
800 600
16. ____ 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
1024 768
HDMI (High-Definition Multimedia Interface)
S-video
17. ____ panels are the most expensive type of panel - and could be difficult to find.
DB-15
Converter box
IPS (In Plane Switching)
DVI-I DVI-D
18. The ____ contrast ratio indicates the difference that can be displayed at the same time.
DB-15
Refresh
Degauss
Static
19. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Viewing angle
Speakers USB
1920 1080
4:3
20. 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
Dynamic
Response time
DisplayPort
16:9
21. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
Converter box
CRT
1280 1024
22. ____ 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.
both video and audio input
Brightness
DVI-I DVI-D
Interlacing
23. 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.
DVI-A (digital video-analog)
Video card
Widescreen
CRT
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
External
CRT
1152 864
Analog CRT monitor
25. 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
Adapter
Interlacing
Physical effective
26. 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.
TFT (thin film transistor)
IPS (In Plane Switching)
Aperture grill
Static
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA = ____ x ____ (5:4 aspect ratio).
1280 1024
Pixels
1152 864
Diagonal
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Pixels
Brighter
D-sub
1400 1050
29. 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
Analog CRT monitor
16:9
External
Shadow mask
30. 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
CRT
Degauss
DB-15
CRT native
31. 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.
S-video
Degauss
Static
VN (Twisted Nematic)
32. 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.
DVI-A connection
perture grill
IPS (In Plane Switching)
2048 1536
33. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Physical effective
800 600
CRT
LCD
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
CRT
DVI HDMI
1600 1200
Video card
35. Additional monitor features include built in ____ or ____ hub.
CRT
Speakers USB
Single source
Widescreen
36. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Physical effective
Brighter
6
Single link
37. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
DVI-A (digital video-analog)
Single source
Flat displays
D-sub DVI-A
38. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Interlacing
1400 1050
Brighter
39. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Dual
Response time
Static
Worse
40. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
perture grill
Response time
1280x720 1920x1080
Pixel pitch
41. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
1400 1050
CRT
External
42. TN panels have ____ viewing angles and contrast ratios than the other display types.
720p 1080i
Response time
DVI-D (digital video-digital)
Worse
43. Screen size is often expressed in two different measures - the ____ screen size (also called the actual size) and the ____ viewing size that identifies the largest image size that can be displayed.
Resolution
Analog CRT monitor
Physical effective
Viewing angle
44. The ____ is the ratio of the width and the height.
Normal
1280 1024
Brightness
Aspect ratio
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.
Brightness
Interlacing
Aperture grill
4
46. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Flat displays
Screen
Analog
IPS (In Plane Switching)
47. ____ 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.
720p 1080i
CRT
Brightness
Pixel pitch
48. 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.
Dynamic
Y brightness
Flat displays
IPS (In Plane Switching)
49. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
30 99
Flat displays
Worse
50. 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.
VA (Vertical Alignment)
IPS (In Plane Switching)
CCFL (Cold Cathode Fluorescent Lamp)
Aspect ratio