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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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Subjects
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certifications
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comptia-a-+
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. LDC monitors use ____ panels that are the most common type used in computer monitors - especially in smaller sizes. These panels have very good response times (2ms to 5ms) - so are well-suited for games with a lot of motion.
Interlacing
DVI-A (digital video-analog)
Worse
VN (Twisted Nematic)
2. The HDTV connector uses a ____-pin mini-din cable.
Return policy
7
IPS (In Plane Switching)
LCD monitor that accepts an analog connection
3. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
DisplayPort
Dual
CRT native
800 600
4. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
1400 1050
16:9
IPS (In Plane Switching)
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
1600 1200
D-sub connector
Degauss
640 480
6. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Digital
720p 1080i
Utilities
7. 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.
4:3
VA (Vertical Alignment)
CRT
Aperture grill
8. ____ 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).
1680 1050
Higher sharper
Dual link
Response time
9. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Response time
Interlacing
Analog
10. There are ____ to identify and possibly fix dead pixels on a monitor.
Video card
Utilities
6
Video card
11. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
Composite
D-sub
1280 1024
12. 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.
4
Degauss
DVI-I (digital video-integrated)
Video card
13. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Physical effective
S-video
Normal
CRT native
14. 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.
DVI-A connection
Return policy
Refresh
1600 1200
15. 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
CRT
Contrast ratio
16:9
LED (Light Emitting Diode)
16. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
6
DVI-D (digital video-digital)
HDMI (High-Definition Multimedia Interface)
CRT
17. 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.
IPS (In Plane Switching)
Aspect ratio
Interlacing
30 99
18. ____ panels are the most expensive type of panel - and could be difficult to find.
perture grill
2048 1536
Dot pitch
IPS (In Plane Switching)
19. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Y UV
30 99
1920 1080
20. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
CRT native
Dead pixel
Analog CRT monitor
Dynamic
21. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Utilities
D-sub
Flat displays
analog digital
22. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
1280 1024
Analog
Y brightness
23. 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.
Response time
Physical effective
Video card
Converter box
24. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Analog
VA (Vertical Alignment)
Higher voltage
Analog output
25. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
1680 1050
IPS (In Plane Switching)
TV-tuner
Dual
26. 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 ____.
IPS (In Plane Switching)
Interlacing
Resolution
1280x720 1920x1080
27. ____ 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.
Shadow mask
Brightness
30 99
30 99
28. 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).
1280 1024
perture grill
D-sub
DVI-D (digital video-digital)
29. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
both video and audio input
4:3
Screen
Interlacing
30. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Brighter
1280x720 1920x1080
Dot pitch
1920 1080
31. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
2048 1536
1400 1050
CRT
LCD monitor that accepts an analog connection
32. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Better
Pixel pitch
CRT native
Digital
33. ____ (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.
CRT
720p 1080i
DVI-D (digital video-digital)
Degauss
34. ____ female port.
4:3
Viewing angle
CRT
DVI-D (digital video-digital)
35. 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.
Debris
Screen
CRT native
Refresh
36. Monitor size is typically described using a ____ measurement.
Brightness
Diagonal
CRT
640 480
37. ____ displays have a 4:3 aspect ratio (used in CRT displays).
640 480
Normal
1600 1200
D-sub
38. 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)
Backlight
Analog output
Dual
39. ____ on the screen can be mistaken for a dead pixel.
30 99
1024 768
HDCP
Debris
40. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
External
Analog CRT monitor
Better
Backlight
41. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
800 600
VA (Vertical Alignment)
1920 1080
Utilities
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Contrast ratio
Pixel pitch
DisplayPort
43. 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.
F-type
Dot pitch
Analog CRT monitor
DVI HDMI
44. 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)
CRT
IPS (In Plane Switching)
Response time
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
1680 1050
Degauss
1920 1200
Dot pitch
46. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Dual
Viewing angle
CRT
1600 1200
47. 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.
Refresh
CCFL (Cold Cathode Fluorescent Lamp)
Better
Pixels
48. 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.
LCD
Interlacing
6
1400 1050
49. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
1024 768
VN (Twisted Nematic)
CCFL (Cold Cathode Fluorescent Lamp)
DisplayPort
50. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
F-type
Interlacing
Laptop
2048 1536
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