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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 ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
1600 1200
Response time
Shadow mask
16:9
2. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
Single source
Color shift
1152 864
4
3. Additional monitor features include built in ____ or ____ hub.
Viewing angle
Speakers USB
DVI-I (digital video-integrated)
720p 1080i
4. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.
Dead
Physical effective
both video and audio input
Color shift
5. ____ on the screen can be mistaken for a dead pixel.
CRT
Debris
Analog output
Interlacing
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
VA (Vertical Alignment)
DVI-D (digital video-digital)
1600 1200
Aperture grill
7. The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
DVI-I (digital video-integrated)
Response time
CCFL (Cold Cathode Fluorescent Lamp)
Same cable
8. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Widescreen
1152 864
Analog
TV-tuner
9. 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
RCA
16:9
Contrast ratio
6
10. 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)
Shadow mask
Analog output
Separately
11. ____ (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.
Analog
LED (Light Emitting Diode)
720p 1080i
VN (Twisted Nematic)
12. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
1400 1050
Dead pixel
Flat displays
Y brightness
13. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Composite
CRT
Viewing angle
Color shift
14. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
6
Video card
Higher sharper
Viewing angle
15. DVI-D ____ link cable.
Dual
DB-15
Color shift
Pixel pitch
16. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
CRT
Viewing angle
16:9
DVI-D (digital video-digital)
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
DVI HDMI
DVI-D (digital video-digital)
1600 1200
Physical effective
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.
16:9
Higher voltage
DB-15
IPS (In Plane Switching)
19. 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.
Brightness
Flat displays
30 99
Viewing angle
20. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
perture grill
CRT
Analog output
Contrast ratio
21. 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.
Aperture grill
640 480
Backlight
CRT
22. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Converter box
Color shift
Aspect ratio
23. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
TFT (thin film transistor)
Higher sharper
Video card
D-sub
24. Monitor size is typically described using a ____ measurement.
Diagonal
DB-15
External
640 480
25. DVI-D ____ link cable.
640 480
Single
Color shift
perture grill
26. 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.
1400 1050
Physical effective
Resolution
Screen
27. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Refresh
1024 768
Dynamic
Analog CRT monitor
28. ____ 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.
Converter box
4:3
DVI HDMI
CRT
29. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Resolution
640 480
Interlacing
Normal
30. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
IPS (In Plane Switching)
LCD monitor that accepts an analog connection
IPS (In Plane Switching)
Dynamic
31. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
IPS (In Plane Switching)
IPS (In Plane Switching)
Widescreen
Response time
32. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
D-sub
Color shift
Higher sharper
Speakers USB
33. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.
1280x720 1920x1080
IPS (In Plane Switching)
Single link
Viewing angle
34. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Composite
CRT
Video card
Normal
35. ____ 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.
Dead
CRT
Separately
DVI HDMI
36. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Dual
CRT
720p 1080i
Brightness
37. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
1920 1080
Brighter
Response time
38. 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
Dot pitch
1280 1024
DisplayPort
Static
39. 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.
Single source
DVI-I DVI-D
720p 1080i
Dual link
40. 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.
CCFL (Cold Cathode Fluorescent Lamp)
1400 1050
1920 1200
Backlight
41. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.
DVI-A (digital video-analog)
1280x720 1920x1080
Dot pitch
CRT
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
DVI-A connection
CCFL (Cold Cathode Fluorescent Lamp)
1920 1080
43. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Dynamic
LCD
2048 1536
Refresh
44. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LCD monitor that accepts an analog connection
Shadow mask
DVI-D (digital video-digital)
Widescreen
45. 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
perture grill
640 480
Static
1680 1050
46. 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.
Widescreen
Video card
Refresh
DVI-D (digital video-digital)
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
LCD
1920 1200
Response time
Dead
48. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
perture grill
Dual
CRT
Dead pixel
49. You can connect an analog CRT or LCD monitor to a video card with a DVI-I connector. This requires a cable with a ____ connection on one end and a ____ connection on the other end.
Dual link
D-sub DVI-A
both video and audio input
F-type
50. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
1024 768
Dynamic
Dot pitch
TFT (thin film transistor)