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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. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Refresh
CRT
Aspect ratio
2. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
DB-15
LED (Light Emitting Diode)
G2G (grey-to-grey - or GTG)
Y UV
3. ____ and ____ are electrically equivalent - meaning that a simple pin-to-pin adapter is all that is required to connect a DVI device to an HDMI port.
Degauss
DVI HDMI
4:3
Worse
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.
DisplayPort
Digital
DB-15
LCD
5. ____ 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.
1152 864
Speakers USB
Brightness
VA (Vertical Alignment)
6. ____ 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.
VA (Vertical Alignment)
Shadow mask
Analog output
Brightness
7. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Video card
Widescreen
Dead
8. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Contrast ratio
TV-tuner
DVI HDMI
Pixel pitch
9. 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
perture grill
Shadow mask
Video card
Static
10. 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
VA (Vertical Alignment)
G2G (grey-to-grey - or GTG)
VN (Twisted Nematic)
11. There are ____ to identify and possibly fix dead pixels on a monitor.
DVI-D (digital video-digital)
Utilities
Composite video
DVI-A (digital video-analog)
12. Pressing lightly on the ____ may revive the pixel.
DB-15
Screen
1152 864
Interlacing
13. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Pixels
D-sub
Resolution
Aperture grill
14. 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.
6
DVI HDMI
16:9
Better
15. 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.
LCD monitor that accepts an analog connection
CRT
IPS (In Plane Switching)
Contrast ratio
16. 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.
External
both video and audio input
perture grill
DVI-A (digital video-analog)
17. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
VN (Twisted Nematic)
Response time
1400 1050
Video card
18. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
Shadow mask
DMS-59
analog digital
Interlacing
19. As with composite and s-video - audio must be supplied to the device...
Widescreen
LED (Light Emitting Diode)
16:9
Separately
20. 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
1680 1050
Dynamic
Progressive scanning
1280x720 1920x1080
21. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Interlacing
Normal
4:3
Widescreen
22. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
Viewing angle
4
Y UV
Video card
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
LCD monitor that accepts an analog connection
U V color
Debris
24. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Static
Higher sharper
1920 1200
16:9
25. The D-sub connector on a video card provides....
Better
VA (Vertical Alignment)
Higher sharper
Analog output
26. 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.
1024 768
Composite video
Dual
Aperture grill
27. 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
CCFL (Cold Cathode Fluorescent Lamp)
Dead pixel
CRT
28. TN panels have ____ viewing angles and contrast ratios than the other display types.
Response time
2048 1536
Higher sharper
Worse
29. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
VA (Vertical Alignment)
Pixels
VA (Vertical Alignment)
30. The ____ is the ratio of the width and the height.
Worse
Aspect ratio
Interlacing
Dead
31. 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.
D-sub
Normal
Interlacing
DVI HDMI
32. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Brightness
Digital
1024 768
IPS (In Plane Switching)
33. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Single source
Response time
Shadow mask
Splits the signal
34. ____ panels have the best color reproduction quality and viewing angles of the display types - and are well suited for graphic design where full and accurate color representation is required.
IPS (In Plane Switching)
Dead
DVI-D (digital video-digital)
720p 1080i
35. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Resolution
Analog output
Static
36. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Video card
Response time
6
Analog
37. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LED (Light Emitting Diode)
CRT
Brighter
LCD monitor that accepts an analog connection
38. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
Analog
TFT (thin film transistor)
Laptop
39. 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
Debris
1680 1050
D-sub
Widescreen
40. 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.
Analog CRT monitor
Shadow mask
Video card
D-sub connector
41. 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
TV-tuner
CCFL (Cold Cathode Fluorescent Lamp)
Viewing angle
1920 1200
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.
Higher sharper
DB-15
IPS (In Plane Switching)
Speakers USB
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
DB-15
Degauss
Single link
44. 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
16:9
LCD
Resolution
Shadow mask
45. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
1024 768
4:3
Higher sharper
Analog
46. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
1024 768
TFT (thin film transistor)
Analog
1680 1050
47. ____ 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).
Pixels
Dual link
Pixel pitch
1400 1050
48. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.
both video and audio input
CRT
Dual
Pixel pitch
49. 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.
Interlacing
VN (Twisted Nematic)
Progressive scanning
30 99
50. ____ female port.
IPS (In Plane Switching)
1400 1050
DVI-D (digital video-digital)
16:9