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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. 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.
Separately
perture grill
Dual
Color shift
2. The ____ is the ratio of the width and the height.
Aspect ratio
16:9
Resolution
Response time
3. 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
Response time
External
640 480
VA (Vertical Alignment)
4. 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
D-sub connector
Return policy
1680 1050
VN (Twisted Nematic)
5. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Analog CRT monitor
Brighter
DVI-D (digital video-digital)
TFT (thin film transistor)
6. 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
Flat displays
perture grill
4:3
7. Additional monitor features include built in ____ or ____ hub.
Brighter
Speakers USB
Contrast ratio
Dynamic
8. ____ 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.
DVI-D (digital video-digital)
Pixel pitch
LCD monitor that accepts an analog connection
DVI HDMI
9. You can connect analog CRT monitors to a video card with a...
Debris
Analog output
D-sub connector
Dual link
10. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
DB-15
1152 864
Color shift
Contrast ratio
11. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
DB-15
Progressive scanning
DVI-I DVI-D
12. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
Resolution
Response time
perture grill
13. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
16:9
S-video
Response time
DVI HDMI
14. 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.
Screen
Single source
Pixel pitch
720p 1080i
15. ____ cable and female port.
HDCP
Resolution
S-video
LCD monitor that accepts an analog connection
16. 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.
720p 1080i
Interlacing
Debris
CRT
17. ____ 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.
DVI-D (digital video-digital)
DVI-I (digital video-integrated)
Brightness
Pixel pitch
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Degauss
LCD monitor that accepts an analog connection
1600 1200
4:3
19. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Progressive scanning
DVI HDMI
Static
20. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Dot pitch
G2G (grey-to-grey - or GTG)
LED (Light Emitting Diode)
Dual
21. 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.
both video and audio input
DB-15
Progressive scanning
Video card
22. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
Brightness
HDCP
Dual link
23. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
HDCP
2048 1536
640 480
Diagonal
24. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Backlight
RCA
CRT native
DVI-I (digital video-integrated)
25. 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
Refresh
Widescreen
720p 1080i
26. 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
Dual
Response time
LED (Light Emitting Diode)
LCD
27. 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.
Resolution
IPS (In Plane Switching)
Y brightness
Physical effective
28. 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
IPS (In Plane Switching)
Single link
Dead pixel
29. As with composite and s-video - audio must be supplied to the device...
Separately
VN (Twisted Nematic)
TV-tuner
Normal
30. 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.
IPS (In Plane Switching)
Refresh
Dual
Backlight
31. Monitor size is typically described using a ____ measurement.
Color shift
Dual
Diagonal
IPS (In Plane Switching)
32. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1920 1080
Backlight
30 99
16:9
33. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Dead pixel
Analog CRT monitor
1600 1200
34. 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
Analog output
Resolution
Screen
35. 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)
6
perture grill
720p 1080i
36. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Aperture grill
HDCP
Response time
640 480
37. 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
HDTV
CRT
720p 1080i
38. Additional monitor features include built in ____ or ____ hub.
Resolution
Speakers USB
Flat displays
1152 864
39. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
CRT
Video card
CRT
DVI-I (digital video-integrated)
40. 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)
LED (Light Emitting Diode)
Screen
1152 864
41. 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.
1280 1024
Converter box
DB-15
Interlacing
42. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
DisplayPort
DVI-D (digital video-digital)
Brightness
CRT
43. 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.
DB-15
IPS (In Plane Switching)
External
CRT
44. 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.
Dual link
Response time
DB-15
DVI-A (digital video-analog)
45. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Widescreen
analog digital
Utilities
Video card
46. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Video card
D-sub connector
Single link
1024 768
47. 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
LED (Light Emitting Diode)
Normal
Dead pixel
CRT
48. 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
1920 1080
Dual
Interlacing
49. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Widescreen
Dead
1920 1080
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1080
Degauss
Dynamic
1920 1200