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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. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
4
both video and audio input
DVI-A connection
2. 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.
Dead pixel
IPS (In Plane Switching)
Contrast ratio
Color shift
3. 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
4:3
1920 1080
2048 1536
Degauss
4. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
DVI-D (digital video-digital)
Speakers USB
Adapter
LCD monitor that accepts an analog connection
5. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Widescreen
Converter
1280 1024
6. 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
IPS (In Plane Switching)
Viewing angle
CRT native
Composite
7. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Aspect ratio
Video card
Diagonal
Dead
8. 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
Dual
Backlight
1680 1050
Resolution
9. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
30 99
CRT
Diagonal
Screen
10. 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.
CRT
DVI-D (digital video-digital)
DVI-A (digital video-analog)
VN (Twisted Nematic)
11. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Dynamic
DVI-A connection
DVI-I (digital video-integrated)
12. 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
Contrast ratio
Brightness
16:9
Y UV
13. ____ 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.
4:3
Speakers USB
720p 1080i
Brightness
14. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Degauss
VA (Vertical Alignment)
IPS (In Plane Switching)
15. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
Analog output
1920 1200
Aspect ratio
16. 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
1152 864
Dual
Shadow mask
Normal
17. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
LCD
D-sub
1680 1050
Resolution
18. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
Resolution
Dynamic
Aspect ratio
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
DB-15
Higher sharper
Pixel pitch
1400 1050
20. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
Analog output
S-video
CRT
21. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
1400 1050
4:3
640 480
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).
4
Brightness
HDCP
Response time
23. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
DVI-A (digital video-analog)
Progressive scanning
Dynamic
Y brightness
24. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
Dual
Response time
DisplayPort
1280x720 1920x1080
25. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Viewing angle
Speakers USB
Pixels
Brighter
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.
Aperture grill
Dynamic
1024 768
Speakers USB
27. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
Normal
Diagonal
Backlight
28. 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.
Utilities
VA (Vertical Alignment)
1680 1050
Backlight
29. 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 ____.
1920 1080
1280x720 1920x1080
CRT
Dual
30. 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
Dynamic
perture grill
31. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
Widescreen
Dual link
Degauss
HDMI (High-Definition Multimedia Interface)
32. ____ displays have a 4:3 aspect ratio (used in CRT displays).
VA (Vertical Alignment)
DB-15
Pixel pitch
Normal
33. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Degauss
DB-15
30 99
34. DisplayPort does not use ______ than DVI and HDMI.
IPS (In Plane Switching)
RCA
Higher voltage
1024 768
35. ____ panels are the most expensive type of panel - and could be difficult to find.
LCD
IPS (In Plane Switching)
Speakers USB
Interlacing
36. ____ 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.
IPS (In Plane Switching)
Physical effective
Brightness
DVI-A (digital video-analog)
37. ____ 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.
DB-15
Refresh
CRT
F-type
38. ____ female port.
Widescreen
DVI-D (digital video-digital)
1400 1050
IPS (In Plane Switching)
39. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
LCD monitor that accepts an analog connection
VN (Twisted Nematic)
Response time
40. 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.
30 99
Resolution
External
CCFL (Cold Cathode Fluorescent Lamp)
41. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
both video and audio input
1280x720 1920x1080
Composite video
Single link
42. 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.
1024 768
both video and audio input
Widescreen
TFT (thin film transistor)
43. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
Speakers USB
1280x720 1920x1080
Static
44. 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 ____.
Shadow mask
Same cable
Converter box
Normal
45. 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.
IPS (In Plane Switching)
Refresh
CRT
Progressive scanning
46. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Backlight
4:3
Degauss
Resolution
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Analog
2048 1536
DVI-A connection
800 600
48. 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
30 99
Shadow mask
1920 1200
LED (Light Emitting Diode)
49. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
1920 1200
Interlacing
IPS (In Plane Switching)
CRT
50. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Dual
D-sub
Dot pitch
Color shift