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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. 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.
LED (Light Emitting Diode)
Backlight
CCFL (Cold Cathode Fluorescent Lamp)
1600 1200
2. ____ 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)
Static
Screen
Response time
3. 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
LED (Light Emitting Diode)
CRT
IPS (In Plane Switching)
4. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Backlight
1680 1050
1024 768
Video card
5. 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
Same cable
DVI-I DVI-D
30 99
6. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
HDCP
Degauss
Composite
Video card
7. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
Pixel pitch
1680 1050
Interlacing
8. 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
640 480
DVI-A (digital video-analog)
CRT native
9. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
4
Higher sharper
Color shift
Single
10. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Contrast ratio
Response time
Color shift
Interlacing
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.
Dot pitch
1024 768
4:3
Resolution
12. 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.
16:9
Backlight
Color shift
Progressive scanning
13. ____ displays have a 4:3 aspect ratio (used in CRT displays).
1600 1200
Normal
30 99
Physical effective
14. 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-A (digital video-analog)
1280x720 1920x1080
Color shift
30 99
15. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
Dot pitch
G2G (grey-to-grey - or GTG)
Color shift
16. ____ female port.
DVI-D (digital video-digital)
1280x720 1920x1080
800 600
IPS (In Plane Switching)
17. 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.
Video card
DVI-A (digital video-analog)
Physical effective
Resolution
18. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Degauss
Composite
1920 1080
19. 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.
Contrast ratio
Dual
DVI-D (digital video-digital)
Higher sharper
20. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
HDCP
1400 1050
DVI-A (digital video-analog)
Dual
21. ____ 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
1600 1200
HDMI (High-Definition Multimedia Interface)
VN (Twisted Nematic)
Refresh
22. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Brightness
Dead pixel
Widescreen
both video and audio input
23. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dual
Dead
Dot pitch
Resolution
24. You can connect analog CRT monitors to a video card with a...
1152 864
Dot pitch
D-sub connector
CRT
25. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
1600 1200
Higher sharper
Analog output
DVI HDMI
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
30 99
1280x720 1920x1080
Worse
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
30 99
F-type
Debris
1024 768
28. 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
Utilities
DVI-A connection
1920 1080
29. 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 ____.
4:3
Pixel pitch
Converter box
CRT
30. 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.
Resolution
CRT
16:9
Physical effective
31. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Shadow mask
Single
Digital
DVI-I (digital video-integrated)
32. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
LCD
4:3
Composite
33. Pressing lightly on the ____ may revive the pixel.
IPS (In Plane Switching)
1400 1050
Screen
Interlacing
34. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Analog
Interlacing
Shadow mask
1400 1050
35. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
RCA
Dead pixel
both video and audio input
DVI-A (digital video-analog)
36. The ____ is the ratio of the width and the height.
Refresh
Aspect ratio
Analog CRT monitor
1600 1200
37. 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
720p 1080i
Aperture grill
16:9
D-sub
38. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
Single link
Composite video
both video and audio input
39. There are ____ to identify and possibly fix dead pixels on a monitor.
CRT
Utilities
Widescreen
Shadow mask
40. Additional monitor features include built in ____ or ____ hub.
Dynamic
Speakers USB
Interlacing
Y UV
41. The HDTV connector uses a ____-pin mini-din cable.
TV-tuner
7
Normal
4:3
42. ____ 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.
CRT native
Widescreen
DVI-A (digital video-analog)
IPS (In Plane Switching)
43. 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.
IPS (In Plane Switching)
VN (Twisted Nematic)
Brighter
640 480
44. 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
Single
Dead
DisplayPort
Diagonal
45. On a(n) ____ monitor you might be able to see two horizontal lines running across the display. These lines are the wires that are used to dynamically change the grill opening.
DVI-I DVI-D
Refresh
perture grill
IPS (In Plane Switching)
46. 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.
Brighter
analog digital
30 99
Refresh
47. 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)
CRT
HDCP
Dynamic
48. 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.
16:9
Normal
Resolution
Response time
49. 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 ____.
Response time
HDCP
1280x720 1920x1080
Converter box
50. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LCD monitor that accepts an analog connection
Return policy
CRT native
Speakers USB