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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. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Dynamic
Speakers USB
Progressive scanning
IPS (In Plane Switching)
2. ____ (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.
720p 1080i
DVI-A (digital video-analog)
VA (Vertical Alignment)
Resolution
3. Additional monitor features include built in ____ or ____ hub.
Screen
Y UV
Viewing angle
Speakers USB
4. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
VN (Twisted Nematic)
Laptop
1280 1024
LCD
5. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
CCFL (Cold Cathode Fluorescent Lamp)
G2G (grey-to-grey - or GTG)
Single source
U V color
6. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Single link
Video card
Higher sharper
1024 768
7. The HDTV connector uses a ____-pin mini-din cable.
LCD
7
Response time
G2G (grey-to-grey - or GTG)
8. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Higher voltage
2048 1536
Dot pitch
both video and audio input
9. DisplayPort does not use ______ than DVI and HDMI.
Higher voltage
Separately
1400 1050
LCD
10. 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.
Pixel pitch
1400 1050
DB-15
Aperture grill
11. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Flat displays
Aperture grill
1280 1024
12. ____ displays have a 4:3 aspect ratio (used in CRT displays).
1280x720 1920x1080
CCFL (Cold Cathode Fluorescent Lamp)
Normal
VA (Vertical Alignment)
13. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
DVI-A (digital video-analog)
Interlacing
1280x720 1920x1080
14. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Flat displays
Dot pitch
DVI-I DVI-D
LCD monitor that accepts an analog connection
15. 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.
Higher sharper
HDMI (High-Definition Multimedia Interface)
Analog CRT monitor
1024 768
16. 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.
DVI HDMI
Contrast ratio
1920 1080
720p 1080i
17. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
640 480
Return policy
F-type
1280 1024
18. 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.
Physical effective
Contrast ratio
800 600
Refresh
19. Pressing lightly on the ____ may revive the pixel.
Screen
HDMI (High-Definition Multimedia Interface)
Dynamic
Higher voltage
20. 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.
External
Shadow mask
Backlight
Physical effective
21. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
7
2048 1536
CRT native
IPS (In Plane Switching)
22. If you are concerned about dead pixels - review the ____ before purchasing.
IPS (In Plane Switching)
Return policy
Analog
G2G (grey-to-grey - or GTG)
23. 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.
Interlacing
Speakers USB
Refresh
Backlight
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
Normal
Physical effective
Aspect ratio
Shadow mask
25. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Resolution
Same cable
Brightness
26. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
CRT
Dual
LCD
Refresh
27. 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
1024 768
TFT (thin film transistor)
LED (Light Emitting Diode)
800 600
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
LED (Light Emitting Diode)
Backlight
Brighter
1600 1200
29. 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
Physical effective
DVI-A connection
30 99
30. ____ panels are the most expensive type of panel - and could be difficult to find.
Dynamic
Analog CRT monitor
Pixels
IPS (In Plane Switching)
31. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Brighter
1152 864
Flat displays
Laptop
32. ____ 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.
Analog output
Higher voltage
Resolution
Brightness
33. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
1920 1080
TFT (thin film transistor)
Higher sharper
VA (Vertical Alignment)
34. ____ 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.
DVI-D (digital video-digital)
Brightness
1152 864
TFT (thin film transistor)
35. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Resolution
Degauss
LCD monitor that accepts an analog connection
1280 1024
36. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
30 99
DVI-A (digital video-analog)
Brighter
Converter box
37. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Analog CRT monitor
Digital
Dual link
HDCP
38. On a(n) ____ monitor you might be able to see two horizontal lines running across the display. These lines are the wires that are used to dynamically change the grill opening.
IPS (In Plane Switching)
perture grill
Contrast ratio
Aspect ratio
39. If you are concerned about dead pixels - review the ____ before purchasing.
Video card
Debris
Worse
Return policy
40. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
16:9
Converter
Video card
41. DVI-D ____ link cable.
Speakers USB
Dual
Resolution
Single
42. The D-sub connector on a video card provides....
LCD monitor that accepts an analog connection
Analog output
Y brightness
Brighter
43. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
TFT (thin film transistor)
Pixel pitch
4:3
External
44. 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
TV-tuner
LED (Light Emitting Diode)
Aperture grill
Higher sharper
45. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
30 99
Viewing angle
Higher sharper
Dual
46. Monitor size is typically described using a ____ measurement.
Diagonal
Single link
perture grill
LCD monitor that accepts an analog connection
47. Additional monitor features include built in ____ or ____ hub.
1024 768
Aperture grill
Speakers USB
perture grill
48. There are ____ to identify and possibly fix dead pixels on a monitor.
Interlacing
Dual
Utilities
G2G (grey-to-grey - or GTG)
49. 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.
Single
Progressive scanning
1920 1080
800 600
50. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Pixel pitch
TFT (thin film transistor)
1280x720 1920x1080
4:3