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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 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.
Physical effective
CRT
Composite
Backlight
2. 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.
DVI-A connection
HDCP
6
both video and audio input
3. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
Dual
4:3
16:9
4. Additional monitor features include built in ____ or ____ hub.
Response time
Speakers USB
LCD
720p 1080i
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
VA (Vertical Alignment)
Converter box
D-sub DVI-A
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Contrast ratio
G2G (grey-to-grey - or GTG)
Normal
7. 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
30 99
G2G (grey-to-grey - or GTG)
Viewing angle
Contrast ratio
8. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
1024 768
Single
Analog CRT monitor
Dual
9. 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
Utilities
Worse
Shadow mask
Analog CRT monitor
10. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Debris
HDCP
Dead pixel
Higher sharper
11. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
IPS (In Plane Switching)
Flat displays
4:3
Physical effective
12. 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
Resolution
CRT native
4
13. 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
16:9
Static
Backlight
Converter box
14. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Flat displays
G2G (grey-to-grey - or GTG)
Debris
S-video
15. 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.
Analog
CRT native
VA (Vertical Alignment)
30 99
16. There are ____ to identify and possibly fix dead pixels on a monitor.
1920 1080
Pixels
Utilities
CRT native
17. ____ video cable and female port.
Dual
Composite
Brightness
HDCP
18. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Dual
Response time
U V color
Analog
19. DVI-D ____ link cable.
1680 1050
Single
Degauss
Worse
20. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Debris
Better
Higher sharper
Color shift
21. 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.
analog digital
16:9
Y brightness
Color shift
22. 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.
Analog CRT monitor
6
Physical effective
Refresh
23. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Worse
LCD
Viewing angle
CRT
24. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Physical effective
IPS (In Plane Switching)
Speakers USB
Resolution
25. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Analog output
Brightness
800 600
Converter box
26. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Same cable
Higher sharper
perture grill
Brighter
27. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
HDCP
LED (Light Emitting Diode)
16:9
Laptop
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Video card
Video card
640 480
Flat displays
29. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Speakers USB
CRT
Pixels
Resolution
30. 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.
Flat displays
Analog output
Dead
640 480
31. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Interlacing
CCFL (Cold Cathode Fluorescent Lamp)
Degauss
Resolution
32. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Higher voltage
Video card
1280x720 1920x1080
CRT native
33. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Video card
both video and audio input
Return policy
Video card
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
DB-15
Single source
1024 768
Static
35. The D-sub connector on a video card provides....
Interlacing
1680 1050
Single source
Analog output
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
7
both video and audio input
1400 1050
VN (Twisted Nematic)
37. ____ on the screen can be mistaken for a dead pixel.
800 600
Debris
Response time
Dual
38. ____ (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.
Dead pixel
LED (Light Emitting Diode)
VA (Vertical Alignment)
720p 1080i
39. 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.
LCD
Response time
Y brightness
Progressive scanning
40. 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 ____.
Brighter
1280x720 1920x1080
LED (Light Emitting Diode)
perture grill
41. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
CRT native
6
DVI-A connection
42. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
Laptop
Screen
Brighter
43. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Normal
Aspect ratio
1920 1080
G2G (grey-to-grey - or GTG)
44. 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)
Response time
CRT
45. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
1680 1050
Response time
IPS (In Plane Switching)
Single link
46. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
CRT
VA (Vertical Alignment)
Aspect ratio
640 480
47. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
800 600
Better
Resolution
Same cable
48. The D-sub connector on a video card provides....
VN (Twisted Nematic)
Analog output
Converter box
VN (Twisted Nematic)
49. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
1024 768
Screen
Contrast ratio
50. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Static
Brighter
Color shift
Analog CRT monitor