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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. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brightness
6
Response time
Brighter
2. ____ female port.
Dot pitch
Widescreen
Converter
DVI-D (digital video-digital)
3. 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.
Physical effective
CRT native
Dead
Interlacing
4. ____ on the screen can be mistaken for a dead pixel.
Separately
1920 1200
Contrast ratio
Debris
5. ____ (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.
Single
Brighter
6
720p 1080i
6. If you are concerned about dead pixels - review the ____ before purchasing.
Utilities
16:9
7
Return policy
7. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
TFT (thin film transistor)
1680 1050
DVI-I DVI-D
1280 1024
8. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
Refresh
Same cable
IPS (In Plane Switching)
HDTV
9. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Higher sharper
Progressive scanning
1280x720 1920x1080
10. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Backlight
Pixel pitch
1920 1200
IPS (In Plane Switching)
11. 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
Contrast ratio
1920 1080
Video card
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
16:9
1680 1050
DMS-59
1920 1200
13. 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.
G2G (grey-to-grey - or GTG)
D-sub DVI-A
2048 1536
Widescreen
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Digital
1024 768
Analog output
CRT native
15. ____ panels are the most expensive type of panel - and could be difficult to find.
VA (Vertical Alignment)
Progressive scanning
Dual
IPS (In Plane Switching)
16. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
DVI-D (digital video-digital)
VA (Vertical Alignment)
U V color
DVI-D (digital video-digital)
17. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
CRT
Speakers USB
Aspect ratio
18. 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.
Y brightness
Color shift
6
Progressive scanning
19. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Single source
G2G (grey-to-grey - or GTG)
1280x720 1920x1080
Analog output
20. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Interlacing
Normal
U V color
Response time
21. 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.
VA (Vertical Alignment)
LCD
DVI-I (digital video-integrated)
CRT native
22. 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.
Viewing angle
Video card
VA (Vertical Alignment)
640 480
23. Having a few dead ____ can be common on many displays.
CRT
CRT native
CCFL (Cold Cathode Fluorescent Lamp)
Pixels
24. 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.
Splits the signal
Analog output
30 99
DVI HDMI
25. 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
analog digital
DVI-D (digital video-digital)
LED (Light Emitting Diode)
30 99
26. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Dynamic
800 600
Dead
Higher sharper
27. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
800 600
4:3
Single source
6
28. Pressing lightly on the ____ may revive the pixel.
Screen
Return policy
LCD
Analog output
29. 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
Dead
Degauss
1280 1024
1920 1200
30. 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
IPS (In Plane Switching)
Dynamic
Refresh
31. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Color shift
Response time
640 480
CRT
32. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Aspect ratio
VA (Vertical Alignment)
Widescreen
DVI-A (digital video-analog)
33. The ____ contrast ratio indicates the difference that can be displayed at the same time.
2048 1536
Static
Utilities
1680 1050
34. 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
Analog CRT monitor
1680 1050
DVI HDMI
Viewing angle
35. A ____ connection on a video card provides both analog and digital output.
DVI-I (digital video-integrated)
720p 1080i
both video and audio input
Response time
36. Additional monitor features include built in ____ or ____ hub.
VA (Vertical Alignment)
Speakers USB
Analog CRT monitor
IPS (In Plane Switching)
37. ____ (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.
Color shift
720p 1080i
analog digital
Resolution
38. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
4:3
CRT native
Backlight
Brighter
39. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Video card
Same cable
6
40. 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.
Video card
Video card
CCFL (Cold Cathode Fluorescent Lamp)
perture grill
41. 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.
Y brightness
Response time
Interlacing
Diagonal
42. A quicker ____ is needed when viewing moving images such as video or games. If it is too slow (above 8ms) the result are ghosting or blurred images.
Response time
Speakers USB
Better
1920 1200
43. Monitor size is typically described using a ____ measurement.
4:3
Dual
CCFL (Cold Cathode Fluorescent Lamp)
Diagonal
44. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Interlacing
Contrast ratio
DVI-D (digital video-digital)
4:3
45. DVI-D ____ link cable.
6
Dynamic
perture grill
Dual
46. 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
Resolution
Dynamic
Degauss
47. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
D-sub
DVI-D (digital video-digital)
DVI-A (digital video-analog)
DisplayPort
48. 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
640 480
D-sub connector
Higher voltage
16:9
49. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
Flat displays
Single link
IPS (In Plane Switching)
50. The ____ contrast ratio indicates the difference that can be displayed at the same time.
CRT
DB-15
Interlacing
Static