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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. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Aspect ratio
TFT (thin film transistor)
TV-tuner
2. 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
Interlacing
Dot pitch
Degauss
Flat displays
3. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Physical effective
S-video
Dead pixel
CRT native
4. The ____ identifies the angle at which the image can still be seen. With LCD monitors - the image will be dimmer and colors distorted when viewed from an angle. It is described with two numbers: horizontal angle and vertical angle - with a higher num
Viewing angle
DVI-I DVI-D
Analog CRT monitor
Widescreen
5. DVI-D ____ link cable.
both video and audio input
Single
Video card
Physical effective
6. 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
Resolution
1680 1050
720p 1080i
Dual
7. 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.
Dynamic
LCD monitor that accepts an analog connection
30 99
Dead
8. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
D-sub
1680 1050
DVI-D (digital video-digital)
Single link
9. ____ (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.
Normal
HDMI (High-Definition Multimedia Interface)
Aperture grill
720p 1080i
10. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
640 480
Analog
Same cable
both video and audio input
11. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Static
Dot pitch
D-sub DVI-A
IPS (In Plane Switching)
12. 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.
RCA
F-type
Widescreen
1152 864
13. 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.
LCD monitor that accepts an analog connection
DVI-A connection
Physical effective
2048 1536
14. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
DisplayPort
perture grill
S-video
Contrast ratio
15. ____ displays have a 4:3 aspect ratio (used in CRT displays).
1920 1200
CRT
IPS (In Plane Switching)
Normal
16. 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
CRT
IPS (In Plane Switching)
Higher sharper
TV-tuner
17. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Contrast ratio
1024 768
Dynamic
D-sub
18. 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.
perture grill
30 99
Dynamic
4:3
19. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Dual
Speakers USB
Return policy
CRT native
20. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Contrast ratio
Shadow mask
6
Static
21. 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.
Better
Video card
1920 1200
Pixel pitch
22. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
DVI-D (digital video-digital)
Interlacing
Single link
23. ____ cable and female port.
S-video
D-sub DVI-A
Shadow mask
LED (Light Emitting Diode)
24. TN panels have ____ viewing angles and contrast ratios than the other display types.
1600 1200
Y brightness
Dual
Worse
25. 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.
1152 864
DVI-D (digital video-digital)
6
Resolution
26. 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
DVI-D (digital video-digital)
1024 768
Video card
27. Monitor size is typically described using a ____ measurement.
Diagonal
Worse
Debris
D-sub connector
28. 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.
DVI-A connection
DVI-I (digital video-integrated)
Splits the signal
Dual link
29. DVI-D ____ link cable.
U V color
HDCP
Better
Dual
30. 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.
LED (Light Emitting Diode)
1152 864
30 99
Dual link
31. 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.
DVI-A (digital video-analog)
LCD monitor that accepts an analog connection
Shadow mask
Pixel pitch
32. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Widescreen
Higher sharper
Video card
perture grill
33. 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.
both video and audio input
1280x720 1920x1080
Pixel pitch
Analog CRT monitor
34. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
TFT (thin film transistor)
Higher sharper
Diagonal
1152 864
35. Having a few dead ____ can be common on many displays.
Pixels
HDTV
CCFL (Cold Cathode Fluorescent Lamp)
VN (Twisted Nematic)
36. The ____ is the ratio of the width and the height.
Screen
DVI-D (digital video-digital)
Contrast ratio
Aspect ratio
37. 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
30 99
DVI HDMI
Shadow mask
4
38. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
640 480
Analog CRT monitor
CRT native
1024 768
39. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Return policy
DVI-D (digital video-digital)
Dual
Dynamic
40. You can connect analog CRT monitors to a video card with a...
Pixel pitch
Single link
D-sub connector
Higher sharper
41. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
Interlacing
both video and audio input
Response time
42. 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.
DVI-I DVI-D
DVI-I (digital video-integrated)
DB-15
CRT
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Speakers USB
Physical effective
Dot pitch
1400 1050
44. 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.
Screen
both video and audio input
Interlacing
1920 1200
45. 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.
IPS (In Plane Switching)
Interlacing
Aspect ratio
G2G (grey-to-grey - or GTG)
46. 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.
Single source
1600 1200
VN (Twisted Nematic)
Viewing angle
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.
IPS (In Plane Switching)
1600 1200
IPS (In Plane Switching)
Refresh
48. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Flat displays
VN (Twisted Nematic)
1920 1080
49. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Viewing angle
Analog CRT monitor
IPS (In Plane Switching)
50. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Analog output
CRT
DisplayPort
VA (Vertical Alignment)