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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. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
DVI-I (digital video-integrated)
Interlacing
Dead pixel
2. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Static
Pixels
800 600
G2G (grey-to-grey - or GTG)
3. 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.
Response time
F-type
CRT native
Refresh
4. 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.
Brighter
6
RCA
F-type
5. 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.
Higher sharper
analog digital
Splits the signal
CRT
6. 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.
1024 768
1680 1050
Contrast ratio
Flat displays
7. 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.
Video card
CRT native
Same cable
D-sub DVI-A
8. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
1024 768
Single link
Y UV
U V color
9. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
VA (Vertical Alignment)
720p 1080i
Digital
7
10. 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.
Utilities
Aspect ratio
Contrast ratio
Y brightness
11. 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.
D-sub
Aperture grill
Backlight
Dual
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Analog output
D-sub connector
IPS (In Plane Switching)
1024 768
13. Do not confuse video in - which can be supplied by composite - s-video - or HDTV connectors - with ____ capabilities. The built-in tuner means that the card or monitor itself has the ability to accept multi-channel input and change the display by cha
D-sub connector
TV-tuner
D-sub DVI-A
1600 1200
14. 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).
Pixel pitch
Flat displays
1280 1024
IPS (In Plane Switching)
15. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
1600 1200
16:9
Physical effective
Converter box
16. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Utilities
TFT (thin film transistor)
1280 1024
Dual
17. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
Same cable
Normal
800 600
Pixel pitch
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.
Analog CRT monitor
800 600
CCFL (Cold Cathode Fluorescent Lamp)
DB-15
19. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Viewing angle
IPS (In Plane Switching)
Utilities
Higher sharper
20. 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
Resolution
HDCP
1680 1050
21. 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
Dot pitch
Contrast ratio
D-sub
External
22. Full HD content is designed for a resolution of 1920 x 1080 using ____ (where each line on the screen is redrawn in order). Full HD support is therefore referred to as 1080p.
1920 1200
Progressive scanning
1600 1200
Interlacing
23. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
Interlacing
Static
1280 1024
24. 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
LED (Light Emitting Diode)
30 99
Shadow mask
Interlacing
25. 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
7
Better
DVI-D (digital video-digital)
1680 1050
26. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
1152 864
1920 1080
Dot pitch
CCFL (Cold Cathode Fluorescent Lamp)
27. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Response time
Dead
Worse
28. 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.
Degauss
Physical effective
Response time
Resolution
29. 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.
4
Y brightness
analog digital
Worse
30. TN panels have ____ viewing angles and contrast ratios than the other display types.
1280x720 1920x1080
Worse
DVI-A connection
DVI-D (digital video-digital)
31. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Better
CRT
6
Laptop
32. 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.
Resolution
Debris
DVI-A (digital video-analog)
CRT
33. 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
4:3
16:9
Widescreen
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Backlight
Resolution
Diagonal
1600 1200
35. A ____ connection on a video card provides both analog and digital output.
Single
DVI-A (digital video-analog)
Analog output
DVI-I (digital video-integrated)
36. 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
1680 1050
Resolution
Flat displays
External
37. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Backlight
30 99
Refresh
CRT native
38. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
IPS (In Plane Switching)
Higher sharper
7
Better
39. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Worse
Single
Pixel pitch
Return policy
40. 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.
Resolution
both video and audio input
Separately
DVI-A connection
41. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Speakers USB
CRT
HDCP
42. 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.
2048 1536
30 99
4:3
VN (Twisted Nematic)
43. ____ panels are the most expensive type of panel - and could be difficult to find.
Color shift
Brighter
IPS (In Plane Switching)
both video and audio input
44. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Interlacing
VA (Vertical Alignment)
G2G (grey-to-grey - or GTG)
1280x720 1920x1080
45. 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)
Return policy
Resolution
VA (Vertical Alignment)
46. There are ____ to identify and possibly fix dead pixels on a monitor.
Degauss
Utilities
DVI-A connection
Refresh
47. 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
IPS (In Plane Switching)
DB-15
Worse
48. 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
DVI-A connection
1024 768
TFT (thin film transistor)
49. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Pixel pitch
4:3
16:9
Flat displays
50. 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
Video card
External
HDCP
1152 864