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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).
HDTV
DVI-D (digital video-digital)
perture grill
Backlight
2. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
HDMI (High-Definition Multimedia Interface)
DVI-D (digital video-digital)
VN (Twisted Nematic)
3. 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
S-video
Backlight
30 99
Viewing angle
4. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Backlight
Dot pitch
TFT (thin film transistor)
perture grill
5. You can connect analog CRT monitors to a video card with a...
1280 1024
720p 1080i
LED (Light Emitting Diode)
D-sub connector
6. 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.
Single
Higher sharper
D-sub DVI-A
Better
7. Pressing lightly on the ____ may revive the pixel.
Pixels
Screen
Physical effective
Aspect ratio
8. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
30 99
DVI-A connection
Response time
9. 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
Brightness
2048 1536
DVI-A (digital video-analog)
10. 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.
CCFL (Cold Cathode Fluorescent Lamp)
DVI-A (digital video-analog)
Color shift
Dead pixel
11. ____ DVI-D connectors have 3 rows of 8 pins plus the horizontal pin (often called a 25-pin - 24+1-pin - or 24-pin connector).
Aspect ratio
Viewing angle
Static
Dual link
12. 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.
Return policy
1024 768
IPS (In Plane Switching)
30 99
13. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
DisplayPort
Screen
D-sub
DVI-I DVI-D
14. 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
Resolution
Viewing angle
4
Degauss
15. As with composite and s-video - audio must be supplied to the device...
Progressive scanning
DisplayPort
1024 768
Separately
16. 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.
Backlight
800 600
HDMI (High-Definition Multimedia Interface)
Dead
17. 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
External
Contrast ratio
Return policy
Same cable
18. There are ____ to identify and possibly fix dead pixels on a monitor.
LCD monitor that accepts an analog connection
640 480
Utilities
Converter box
19. ____ 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.
Speakers USB
Interlacing
DVI HDMI
CRT
20. You can connect analog CRT monitors to a video card with a...
DVI-D (digital video-digital)
D-sub connector
1400 1050
4
21. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Converter
DVI-I (digital video-integrated)
Worse
LCD monitor that accepts an analog connection
22. 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)
30 99
Flat displays
CRT
23. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
720p 1080i
Video card
Laptop
CRT
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
Flat displays
IPS (In Plane Switching)
800 600
25. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Interlacing
G2G (grey-to-grey - or GTG)
DB-15
Dual
26. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Debris
640 480
IPS (In Plane Switching)
Color shift
27. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Y UV
Brightness
DVI-D (digital video-digital)
Digital
28. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DVI-D (digital video-digital)
DVI-A connection
Video card
F-type
29. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Response time
G2G (grey-to-grey - or GTG)
Dynamic
1280 1024
30. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Static
IPS (In Plane Switching)
6
Same cable
31. 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
External
CCFL (Cold Cathode Fluorescent Lamp)
720p 1080i
Shadow mask
32. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Static
Converter
Dot pitch
Dynamic
33. ____ female port.
800 600
DVI-D (digital video-digital)
LED (Light Emitting Diode)
Dual link
34. 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).
Progressive scanning
1280 1024
Debris
IPS (In Plane Switching)
35. ____ (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.
Refresh
1600 1200
Same cable
720p 1080i
36. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
DVI-I (digital video-integrated)
analog digital
External
DVI-A connection
37. ____ 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.
Return policy
IPS (In Plane Switching)
Screen
DVI-I (digital video-integrated)
38. 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
Converter box
1920 1200
Return policy
16:9
39. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
LED (Light Emitting Diode)
Backlight
Dot pitch
D-sub connector
40. 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
External
Dead
1680 1050
DisplayPort
41. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
DVI-A connection
Brightness
Degauss
1920 1080
42. ____ panels are the most expensive type of panel - and could be difficult to find.
Diagonal
Aperture grill
RCA
IPS (In Plane Switching)
43. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
1920 1080
Single source
Response time
Flat displays
44. 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
Dual
Debris
IPS (In Plane Switching)
45. 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.
CCFL (Cold Cathode Fluorescent Lamp)
30 99
1280 1024
1680 1050
46. ____ displays have a 4:3 aspect ratio (used in CRT displays).
1152 864
Diagonal
VN (Twisted Nematic)
Normal
47. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dual
Resolution
Utilities
Better
48. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
Flat displays
Widescreen
1280 1024
Interlacing
49. 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.
D-sub connector
6
Shadow mask
Single
50. ____ on the screen can be mistaken for a dead pixel.
4:3
Worse
Debris
Analog output