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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. There are ____ to identify and possibly fix dead pixels on a monitor.
Dynamic
Dot pitch
6
Utilities
2. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
1920 1080
DVI-A connection
DVI-D (digital video-digital)
Contrast ratio
3. 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.
Single source
VA (Vertical Alignment)
Aspect ratio
perture grill
4. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
TFT (thin film transistor)
Converter box
1400 1050
Brighter
5. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
4
Video card
Dual
Resolution
6. 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
Single link
CRT
Shadow mask
CRT native
7. 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 ____.
Debris
HDTV
1280x720 1920x1080
DB-15
8. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
1680 1050
IPS (In Plane Switching)
Response time
9. 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.
1280x720 1920x1080
VA (Vertical Alignment)
Color shift
DVI-I (digital video-integrated)
10. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
IPS (In Plane Switching)
CCFL (Cold Cathode Fluorescent Lamp)
D-sub connector
11. Without a built-in tuner - video input is limited to a ____ channel - and changing TV channels must be done at the ____ device before inputting into the video card.
DVI-D (digital video-digital)
Higher sharper
640 480
Single source
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Dead pixel
Dynamic
800 600
IPS (In Plane Switching)
13. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
DMS-59
DVI-I (digital video-integrated)
Viewing angle
14. 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
1152 864
Degauss
Refresh
Contrast ratio
15. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Y brightness
DVI-A connection
G2G (grey-to-grey - or GTG)
Splits the signal
16. 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
Higher sharper
16:9
IPS (In Plane Switching)
Color shift
17. 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.
Progressive scanning
Aspect ratio
DVI-I (digital video-integrated)
perture grill
18. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
Widescreen
Pixel pitch
Higher sharper
Single
19. 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.
Brightness
DVI-A connection
Flat displays
Interlacing
20. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Worse
Composite video
CRT
RCA
21. You can connect analog CRT monitors to a video card with a...
D-sub connector
both video and audio input
Pixel pitch
800 600
22. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
IPS (In Plane Switching)
1024 768
1024 768
VA (Vertical Alignment)
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Dot pitch
1024 768
DVI-D (digital video-digital)
Composite
24. 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
IPS (In Plane Switching)
1680 1050
800 600
Pixel pitch
25. 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.
1920 1200
IPS (In Plane Switching)
Contrast ratio
Analog CRT monitor
26. 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.
CRT
CCFL (Cold Cathode Fluorescent Lamp)
Viewing angle
U V color
27. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
DVI-D (digital video-digital)
Better
HDCP
1152 864
28. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Degauss
4:3
Dot pitch
800 600
29. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Video card
1680 1050
Single source
Dead pixel
30. 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.
Composite
Aperture grill
Diagonal
Physical effective
31. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
DisplayPort
D-sub connector
Widescreen
HDCP
32. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DVI-D (digital video-digital)
Aspect ratio
Interlacing
IPS (In Plane Switching)
33. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Return policy
Dynamic
Physical effective
6
34. 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.
1920 1200
Interlacing
30 99
CRT native
35. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Resolution
DVI-I DVI-D
Interlacing
1152 864
36. The ____ is the ratio of the width and the height.
IPS (In Plane Switching)
Flat displays
CRT
Aspect ratio
37. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
800 600
Color shift
Speakers USB
Screen
38. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
Y brightness
Dynamic
Video card
39. 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.
Backlight
640 480
Video card
IPS (In Plane Switching)
40. The ____ is the ratio of the width and the height.
Dual
Interlacing
Aspect ratio
CRT
41. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Better
Degauss
4:3
IPS (In Plane Switching)
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
720p 1080i
Composite video
1920 1200
Shadow mask
43. 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.
Analog output
Response time
Flat displays
CRT
44. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
Converter box
Progressive scanning
IPS (In Plane Switching)
45. 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
LED (Light Emitting Diode)
1920 1200
Higher sharper
46. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
1400 1050
both video and audio input
Dual link
DVI-A connection
47. 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
Higher sharper
Degauss
1400 1050
Video card
48. ____ on the screen can be mistaken for a dead pixel.
Debris
Pixel pitch
Dead
Analog output
49. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
Resolution
7
Interlacing
50. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
DVI-D (digital video-digital)
2048 1536
Degauss
Dot pitch