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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. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Diagonal
Aperture grill
VA (Vertical Alignment)
Dynamic
2. 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.
TFT (thin film transistor)
Brighter
CCFL (Cold Cathode Fluorescent Lamp)
IPS (In Plane Switching)
3. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
1280 1024
720p 1080i
Widescreen
4. 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.
Single link
Resolution
Analog CRT monitor
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.
Single link
Widescreen
Single source
1280 1024
6. 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.
perture grill
1680 1050
Worse
Single
7. ____ 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).
CRT
6
Dual link
Higher sharper
8. 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.
Physical effective
VA (Vertical Alignment)
Diagonal
6
9. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
analog digital
800 600
1280 1024
Response time
10. 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.
1024 768
Aperture grill
Refresh
Speakers USB
11. Having a few dead ____ can be common on many displays.
IPS (In Plane Switching)
HDMI (High-Definition Multimedia Interface)
analog digital
Pixels
12. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
perture grill
CRT
IPS (In Plane Switching)
13. DisplayPort does not use ______ than DVI and HDMI.
1600 1200
Laptop
Higher voltage
Color shift
14. ____ 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.
16:9
G2G (grey-to-grey - or GTG)
External
CRT
15. ____ female port.
DVI-D (digital video-digital)
Separately
Worse
Diagonal
16. A ____ connection on a video card provides analog output and are rarely (if ever) used for computers monitors - but might be used on some HDTV systems.
DVI-A (digital video-analog)
Contrast ratio
LCD monitor that accepts an analog connection
Converter box
17. The HDTV connector uses a ____-pin mini-din cable.
Dual
7
Dot pitch
Color shift
18. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Aperture grill
Higher sharper
Normal
G2G (grey-to-grey - or GTG)
19. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
7
External
Interlacing
Video card
20. 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
G2G (grey-to-grey - or GTG)
1024 768
1680 1050
Dual
21. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Dead pixel
Composite video
1024 768
Return policy
22. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
HDCP
Y UV
Analog
23. 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
Dynamic
Resolution
Degauss
Brighter
24. 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
Dead
DisplayPort
6
25. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
DB-15
1152 864
Dead pixel
26. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
RCA
Composite
Better
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
VA (Vertical Alignment)
VN (Twisted Nematic)
1920 1200
Viewing angle
28. Having a few dead ____ can be common on many displays.
1280x720 1920x1080
Aspect ratio
Pixels
Aperture grill
29. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Shadow mask
IPS (In Plane Switching)
800 600
1024 768
30. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
IPS (In Plane Switching)
1680 1050
LCD monitor that accepts an analog connection
1152 864
31. 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.
CRT
Normal
Widescreen
Color shift
32. 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
Response time
Resolution
4
33. 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
Response time
G2G (grey-to-grey - or GTG)
CRT
Viewing angle
34. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Widescreen
Static
Dot pitch
1400 1050
35. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
DVI-D (digital video-digital)
Interlacing
Video card
CRT
36. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
IPS (In Plane Switching)
HDTV
CCFL (Cold Cathode Fluorescent Lamp)
Interlacing
37. 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.
Contrast ratio
Single link
Screen
VN (Twisted Nematic)
38. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Static
G2G (grey-to-grey - or GTG)
HDCP
Widescreen
39. You can connect analog CRT monitors to a video card with a...
D-sub connector
Shadow mask
Digital
Interlacing
40. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Dual
CRT
Dead
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
VN (Twisted Nematic)
Progressive scanning
1600 1200
Flat displays
42. ____ 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).
1152 864
1152 864
Resolution
Dual link
43. DVI-D ____ link cable.
Contrast ratio
Widescreen
Single
Flat displays
44. 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
Debris
perture grill
Aspect ratio
45. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
1024 768
CRT
External
1280x720 1920x1080
46. 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.
1400 1050
Aperture grill
Viewing angle
DB-15
47. 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.
Response time
CCFL (Cold Cathode Fluorescent Lamp)
VA (Vertical Alignment)
perture grill
48. 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.
Flat displays
6
Normal
VN (Twisted Nematic)
49. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Pixel pitch
CRT
Dead
IPS (In Plane Switching)
50. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
Dynamic
Flat displays
1920 1080