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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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Subjects
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certifications
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comptia-a-+
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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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. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Separately
D-sub
800 600
CRT
2. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.
Dynamic
Return policy
Dead
640 480
3. 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.
Response time
30 99
Speakers USB
1152 864
4. 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
Dead
DVI-A (digital video-analog)
D-sub
5. 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.
4
Progressive scanning
IPS (In Plane Switching)
Laptop
6. Monitor size is typically described using a ____ measurement.
Debris
Dynamic
Diagonal
Contrast ratio
7. ____ 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.
Shadow mask
IPS (In Plane Switching)
both video and audio input
1280 1024
8. 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.
Adapter
both video and audio input
DVI HDMI
Response time
9. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
CRT
VN (Twisted Nematic)
DVI-D (digital video-digital)
10. ____ 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.
DVI HDMI
Utilities
HDCP
6
11. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Y UV
Debris
Brightness
Interlacing
12. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
Better
DVI-D (digital video-digital)
Backlight
13. 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.
Static
Single
CRT
6
14. 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
Aspect ratio
Shadow mask
Backlight
DVI-A (digital video-analog)
15. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Resolution
IPS (In Plane Switching)
Viewing angle
Dot pitch
16. 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
Better
Dual link
Interlacing
17. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Higher sharper
DVI-D (digital video-digital)
LCD monitor that accepts an analog connection
Dead pixel
18. ____ (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.
Screen
CRT native
720p 1080i
VA (Vertical Alignment)
19. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
1680 1050
CRT native
both video and audio input
1024 768
20. 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.
Aperture grill
Brighter
Contrast ratio
Resolution
21. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
LED (Light Emitting Diode)
VA (Vertical Alignment)
Widescreen
D-sub DVI-A
22. 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.
640 480
IPS (In Plane Switching)
1680 1050
Interlacing
23. 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
800 600
Video card
Shadow mask
RCA
24. 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
Y brightness
Viewing angle
Video card
Flat displays
25. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
DB-15
both video and audio input
Widescreen
Dot pitch
26. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
CRT
Aspect ratio
U V color
Pixel pitch
27. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Interlacing
Single link
Color shift
Dot pitch
28. Pressing lightly on the ____ may revive the pixel.
Screen
G2G (grey-to-grey - or GTG)
16:9
Color shift
29. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Resolution
Response time
Analog output
DVI-I DVI-D
30. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Return policy
Splits the signal
Composite
Progressive scanning
31. LDC monitors use ____ panels that are the most common type used in computer monitors - especially in smaller sizes. These panels have very good response times (2ms to 5ms) - so are well-suited for games with a lot of motion.
VN (Twisted Nematic)
IPS (In Plane Switching)
720p 1080i
VA (Vertical Alignment)
32. 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
DisplayPort
External
Aperture grill
33. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
30 99
Composite video
2048 1536
DVI-D (digital video-digital)
34. ____ 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.
Higher sharper
Video card
CRT
Screen
35. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
DVI-D (digital video-digital)
Higher sharper
1680 1050
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
HDTV
Static
Aperture grill
37. 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.
1920 1080
both video and audio input
Progressive scanning
2048 1536
38. The ____ connector is used to allow multiple video ports from a single connection.It is typically included on slimline video cards that can have only a single port. It sends out two separate DVI-I signals through the single connector.
DMS-59
Aperture grill
analog digital
1024 768
39. The ____ contrast ratio indicates the difference that can be displayed at the same time.
IPS (In Plane Switching)
Higher voltage
G2G (grey-to-grey - or GTG)
Static
40. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
CRT
Brighter
Static
DVI-I (digital video-integrated)
41. The HDTV connector uses a ____-pin mini-din cable.
perture grill
IPS (In Plane Switching)
Higher sharper
7
42. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Aspect ratio
Worse
Interlacing
4
43. 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
VN (Twisted Nematic)
CRT native
44. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Widescreen
1024 768
Color shift
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Converter box
Splits the signal
640 480
Response time
46. The ____ contrast ratio indicates the difference that can be displayed at the same time.
1280 1024
Response time
Diagonal
Static
47. The ____ is the ratio of the width and the height.
Refresh
Aspect ratio
CRT native
CCFL (Cold Cathode Fluorescent Lamp)
48. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
DB-15
TFT (thin film transistor)
LCD
Flat displays
49. ____ 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)
2048 1536
Worse
Degauss
50. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Degauss
Video card
4:3
Response time
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