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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
:
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. 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-D (digital video-digital)
Progressive scanning
DVI-I (digital video-integrated)
1280 1024
2. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Flat displays
Degauss
Dynamic
Contrast ratio
3. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
DVI-D (digital video-digital)
Adapter
Dynamic
4. 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
7
16:9
Y brightness
Interlacing
5. TN panels have ____ viewing angles and contrast ratios than the other display types.
DVI-A (digital video-analog)
DVI-A connection
Dynamic
Worse
6. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Analog CRT monitor
Shadow mask
VN (Twisted Nematic)
7. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
30 99
CRT
Interlacing
Video card
8. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Physical effective
800 600
VN (Twisted Nematic)
analog digital
9. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
LCD
Higher voltage
1280x720 1920x1080
Color shift
10. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Response time
Widescreen
IPS (In Plane Switching)
11. 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).
800 600
1280 1024
Brightness
Dead
12. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Backlight
TFT (thin film transistor)
Interlacing
Resolution
13. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
CRT
Response time
Brightness
TFT (thin film transistor)
14. 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
1280 1024
VN (Twisted Nematic)
1680 1050
IPS (In Plane Switching)
15. ____ panels are the most expensive type of panel - and could be difficult to find.
Color shift
HDMI (High-Definition Multimedia Interface)
Backlight
IPS (In Plane Switching)
16. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Pixel pitch
Response time
Aperture grill
4:3
17. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
2048 1536
D-sub
Static
18. 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.
LED (Light Emitting Diode)
Normal
DVI-D (digital video-digital)
Resolution
19. 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.
1680 1050
Contrast ratio
Dual link
DMS-59
20. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
TV-tuner
Dual link
Return policy
CRT
21. 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
D-sub connector
Dual
Viewing angle
640 480
22. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Dual
Debris
HDCP
both video and audio input
23. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
DVI-A (digital video-analog)
U V color
DVI-A connection
Response time
24. 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
Backlight
HDCP
CRT
25. 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.
Brighter
VN (Twisted Nematic)
Analog output
TFT (thin film transistor)
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
IPS (In Plane Switching)
Dual link
640 480
Dot pitch
27. 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.
Dual link
Aperture grill
CCFL (Cold Cathode Fluorescent Lamp)
Response time
28. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
F-type
Dead
DVI-I (digital video-integrated)
CCFL (Cold Cathode Fluorescent Lamp)
29. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
S-video
Flat displays
Viewing angle
30. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
4
HDTV
CRT
DVI-D (digital video-digital)
31. 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
LED (Light Emitting Diode)
Dual
16:9
Response time
32. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.
DVI-A (digital video-analog)
1024 768
1280x720 1920x1080
Pixel pitch
33. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Interlacing
External
TFT (thin film transistor)
34. ____ 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.
1400 1050
DVI HDMI
1920 1080
Color shift
35. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Response time
Composite
2048 1536
DVI-D (digital video-digital)
36. 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)
Dual
4
Response time
37. 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.
Physical effective
Return policy
IPS (In Plane Switching)
DB-15
38. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
HDMI (High-Definition Multimedia Interface)
Dual
DVI-I (digital video-integrated)
Interlacing
39. 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.
Progressive scanning
6
Analog output
HDMI (High-Definition Multimedia Interface)
40. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
CRT
DVI-D (digital video-digital)
Pixels
41. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Converter box
Color shift
Brightness
Viewing angle
42. The D-sub connector on a video card provides....
Viewing angle
DMS-59
Aspect ratio
Analog output
43. DVI-D ____ link cable.
Single
HDMI (High-Definition Multimedia Interface)
Return policy
800 600
44. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Color shift
Better
Dead pixel
CRT
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
both video and audio input
DVI-D (digital video-digital)
Degauss
800 600
46. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
Dual
both video and audio input
CRT
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.
Higher sharper
IPS (In Plane Switching)
CRT
Pixels
48. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Composite
DVI-D (digital video-digital)
1024 768
2048 1536
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.
DVI-D (digital video-digital)
30 99
Progressive scanning
U V color
50. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
1680 1050
Video card
Flat displays
DVI-D (digital video-digital)