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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. 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.
Better
DB-15
4
Analog CRT monitor
2. ____ 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.
LCD monitor that accepts an analog connection
2048 1536
Shadow mask
IPS (In Plane Switching)
3. 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
Dual link
Converter box
640 480
External
4. 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.
Static
Contrast ratio
Aspect ratio
1600 1200
5. 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.
DVI-A (digital video-analog)
Response time
DVI-A connection
DVI-I (digital video-integrated)
6. 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.
640 480
DVI-D (digital video-digital)
Return policy
Contrast ratio
7. 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
IPS (In Plane Switching)
1024 768
DVI-D (digital video-digital)
8. 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
LCD monitor that accepts an analog connection
Contrast ratio
Physical effective
9. 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.
Analog CRT monitor
CRT
Widescreen
Adapter
10. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Response time
Composite
Digital
Screen
11. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Brighter
Resolution
1152 864
720p 1080i
12. Screen size is often expressed in two different measures - the ____ screen size (also called the actual size) and the ____ viewing size that identifies the largest image size that can be displayed.
Analog CRT monitor
Physical effective
Return policy
Dead
13. Pressing lightly on the ____ may revive the pixel.
1400 1050
1280 1024
analog digital
Screen
14. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
LED (Light Emitting Diode)
both video and audio input
1280 1024
15. 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.
CRT
Video card
Normal
Analog
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Single source
1024 768
Dual link
DVI-D (digital video-digital)
17. 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
Speakers USB
1024 768
Higher sharper
LED (Light Emitting Diode)
18. 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.
1152 864
Progressive scanning
CCFL (Cold Cathode Fluorescent Lamp)
Pixel pitch
19. 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-I (digital video-integrated)
1024 768
1280 1024
Normal
20. 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.
6
TFT (thin film transistor)
DB-15
Screen
21. DVI-D ____ link cable.
Return policy
Dual
CRT native
Interlacing
22. ____ panels are the most expensive type of panel - and could be difficult to find.
S-video
IPS (In Plane Switching)
VA (Vertical Alignment)
Pixel pitch
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Resolution
CRT
DVI HDMI
1600 1200
24. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.
Adapter
CCFL (Cold Cathode Fluorescent Lamp)
Single
Pixels
25. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
both video and audio input
Higher sharper
Widescreen
Composite
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Shadow mask
7
Static
1600 1200
27. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Worse
1280x720 1920x1080
Analog CRT monitor
CRT native
28. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
HDTV
TFT (thin film transistor)
Brighter
29. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
HDTV
Utilities
Dual link
30. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Video card
Dynamic
Resolution
Laptop
31. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DB-15
Adapter
Aperture grill
DVI-D (digital video-digital)
32. ____ 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.
CRT
Interlacing
DVI-I DVI-D
Dual
33. 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.
DVI-A (digital video-analog)
Dead
1600 1200
Aperture grill
34. 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)
Speakers USB
LCD
35. Additional monitor features include built in ____ or ____ hub.
Normal
DVI-D (digital video-digital)
Speakers USB
CRT
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Speakers USB
IPS (In Plane Switching)
Single
640 480
37. 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 ____.
Pixels
Converter box
1920 1200
IPS (In Plane Switching)
38. 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.
perture grill
TFT (thin film transistor)
Screen
Backlight
39. TN panels have ____ viewing angles and contrast ratios than the other display types.
Interlacing
Worse
Video card
16:9
40. ____ 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.
1280x720 1920x1080
16:9
Pixel pitch
DVI HDMI
41. 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.
Return policy
Higher sharper
6
Pixels
42. 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.
Pixel pitch
Dead
640 480
Pixel pitch
43. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Single
1920 1080
Aspect ratio
Dot pitch
44. 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.
Dual link
1400 1050
Utilities
Y brightness
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
IPS (In Plane Switching)
DVI-A connection
1920 1200
both video and audio input
46. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Y brightness
4:3
30 99
Debris
47. ____ 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)
HDCP
LCD monitor that accepts an analog connection
1024 768
48. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
LCD
Resolution
Dead
Dynamic
49. 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).
LCD monitor that accepts an analog connection
1280 1024
Viewing angle
Single
50. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Viewing angle
Dual
DB-15
Converter box