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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
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
.
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. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Contrast ratio
1920 1080
DVI-A connection
Aspect ratio
2. ____ 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).
DVI-D (digital video-digital)
Dual link
1920 1200
4:3
3. Monitor size is typically described using a ____ measurement.
Screen
LCD
TV-tuner
Diagonal
4. 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.
Utilities
Splits the signal
Response time
Degauss
5. 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
Aperture grill
IPS (In Plane Switching)
6. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dot pitch
analog digital
Separately
Resolution
7. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
2048 1536
Brighter
perture grill
CRT native
8. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.
Converter
Interlacing
Speakers USB
CRT native
9. 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
IPS (In Plane Switching)
Y brightness
Degauss
Speakers USB
10. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
1024 768
CRT native
Dual
DMS-59
11. 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.
1920 1080
CRT
30 99
RCA
12. 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
Dynamic
Dead
CCFL (Cold Cathode Fluorescent Lamp)
13. Having a few dead ____ can be common on many displays.
Pixels
Worse
Y brightness
1024 768
14. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Color shift
Worse
Static
30 99
15. DVI-D ____ link cable.
Normal
D-sub
Dual
Speakers USB
16. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
perture grill
IPS (In Plane Switching)
Worse
Analog
17. 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
Single link
HDCP
DVI HDMI
16:9
18. ____ panels are the most expensive type of panel - and could be difficult to find.
Converter box
IPS (In Plane Switching)
Shadow mask
Response time
19. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
DB-15
both video and audio input
Degauss
Physical effective
20. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Dual link
VA (Vertical Alignment)
30 99
800 600
21. 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.
Pixel pitch
VN (Twisted Nematic)
Analog output
Progressive scanning
22. Pressing lightly on the ____ may revive the pixel.
Refresh
Better
Screen
RCA
23. ____ 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.
720p 1080i
DisplayPort
640 480
CRT
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Dot pitch
Video card
Separately
640 480
25. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
TFT (thin film transistor)
DMS-59
1920 1200
26. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DVI-D (digital video-digital)
Converter
Worse
Response time
27. 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
30 99
Contrast ratio
Viewing angle
Higher sharper
28. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
DVI-A (digital video-analog)
IPS (In Plane Switching)
Higher sharper
G2G (grey-to-grey - or GTG)
29. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Composite
Pixels
LCD
1152 864
30. DVI-D ____ link cable.
1280 1024
perture grill
Splits the signal
Single
31. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Return policy
VA (Vertical Alignment)
Static
TFT (thin film transistor)
32. 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
Interlacing
Analog output
Dynamic
33. ____ is an alternative to an HDMI connector.
DisplayPort
Static
VA (Vertical Alignment)
CCFL (Cold Cathode Fluorescent Lamp)
34. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Resolution
DVI-D (digital video-digital)
Digital
Pixel pitch
35. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Diagonal
Resolution
VN (Twisted Nematic)
IPS (In Plane Switching)
36. 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)
CRT
Diagonal
Static
37. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
Worse
IPS (In Plane Switching)
Degauss
38. 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
Analog output
External
Interlacing
Interlacing
39. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Splits the signal
1600 1200
VA (Vertical Alignment)
Pixel pitch
40. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Flat displays
Dead
Worse
41. As with composite and s-video - audio must be supplied to the device...
Backlight
D-sub connector
Separately
TFT (thin film transistor)
42. 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
LED (Light Emitting Diode)
U V color
Degauss
D-sub DVI-A
43. TN panels have ____ viewing angles and contrast ratios than the other display types.
Higher sharper
IPS (In Plane Switching)
Analog CRT monitor
Worse
44. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Diagonal
Composite
CRT
Dot pitch
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
Response time
1280x720 1920x1080
800 600
46. 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.
Resolution
Dual
1920 1080
IPS (In Plane Switching)
47. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
720p 1080i
Backlight
perture grill
CCFL (Cold Cathode Fluorescent Lamp)
48. 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
Viewing angle
CRT
Interlacing
49. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
DVI-D (digital video-digital)
16:9
D-sub
1152 864
50. 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.
Video card
Physical effective
CRT
Brighter