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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. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
Dynamic
DVI HDMI
Degauss
2. 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)
DVI HDMI
Dead
IPS (In Plane Switching)
3. 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
Degauss
Aspect ratio
Interlacing
Viewing angle
4. 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
Video card
Worse
800 600
5. 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
16:9
Brightness
6
Resolution
6. ____ female port.
1152 864
Analog CRT monitor
Interlacing
DVI-D (digital video-digital)
7. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Progressive scanning
Pixel pitch
IPS (In Plane Switching)
Worse
8. The ____ is the ratio of the width and the height.
Analog CRT monitor
CRT
Aspect ratio
both video and audio input
9. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
DB-15
Higher sharper
Dual
1400 1050
10. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Refresh
Utilities
4:3
Flat displays
11. 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
Speakers USB
16:9
IPS (In Plane Switching)
CRT
12. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
both video and audio input
CRT native
DB-15
analog digital
13. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
1024 768
DVI-A (digital video-analog)
Flat displays
6
14. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is
Video card
Response time
External
Interlacing
15. 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.
Dot pitch
Aspect ratio
DVI-D (digital video-digital)
Response time
16. ____ 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).
Worse
Dual link
Aspect ratio
HDMI (High-Definition Multimedia Interface)
17. 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.
4:3
G2G (grey-to-grey - or GTG)
DB-15
Worse
18. 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.
Backlight
DB-15
1024 768
Refresh
19. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Single
Viewing angle
both video and audio input
D-sub
20. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Pixel pitch
Higher voltage
IPS (In Plane Switching)
HDCP
21. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Response time
Diagonal
1152 864
Dead pixel
22. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
640 480
Static
Converter box
800 600
23. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Aperture grill
Brightness
TFT (thin film transistor)
Dual
24. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Dual
CRT
Return policy
IPS (In Plane Switching)
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
1280 1024
DVI-A (digital video-analog)
LED (Light Emitting Diode)
TFT (thin film transistor)
26. DVI-D ____ link cable.
D-sub connector
Dot pitch
Dual
1920 1200
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Static
1400 1050
Dual
Color shift
28. 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.
Video card
LED (Light Emitting Diode)
CRT native
6
29. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Y UV
Single
Dot pitch
640 480
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.
Dead
External
Aperture grill
Interlacing
31. The ____ is the ratio of the width and the height.
Analog CRT monitor
Aspect ratio
IPS (In Plane Switching)
Dynamic
32. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Response time
Static
VA (Vertical Alignment)
IPS (In Plane Switching)
33. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
1024 768
Better
1920 1200
Speakers USB
34. 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.
LCD
Laptop
IPS (In Plane Switching)
Single source
35. 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
Refresh
Widescreen
Dynamic
36. 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
IPS (In Plane Switching)
Analog output
Pixels
37. ____ panels are the most expensive type of panel - and could be difficult to find.
Y brightness
IPS (In Plane Switching)
Refresh
800 600
38. You can connect analog CRT monitors to a video card with a...
Video card
DVI-A (digital video-analog)
Interlacing
D-sub connector
39. The ____ is the ratio of the width and the height.
Aspect ratio
Viewing angle
DVI-D (digital video-digital)
perture grill
40. 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.
Dynamic
Interlacing
External
4
41. DVI-D ____ link cable.
Dual
Higher sharper
Single source
Dynamic
42. 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
IPS (In Plane Switching)
IPS (In Plane Switching)
analog digital
43. 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
DVI-I DVI-D
7
Viewing angle
Video card
44. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
1152 864
CCFL (Cold Cathode Fluorescent Lamp)
16:9
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Response time
1600 1200
HDCP
Single link
46. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Brightness
Dynamic
CCFL (Cold Cathode Fluorescent Lamp)
47. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
1400 1050
D-sub
Widescreen
IPS (In Plane Switching)
48. Monitor size is typically described using a ____ measurement.
Contrast ratio
LED (Light Emitting Diode)
Diagonal
LCD
49. 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
Dot pitch
Contrast ratio
1024 768
50. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
1600 1200
Brighter
G2G (grey-to-grey - or GTG)
Higher sharper