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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. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
1920 1080
Response time
Diagonal
Dead pixel
2. 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.
1600 1200
4:3
1024 768
VN (Twisted Nematic)
3. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
800 600
Higher sharper
LCD monitor that accepts an analog connection
Color shift
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
DisplayPort
G2G (grey-to-grey - or GTG)
CRT
16:9
5. 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.
2048 1536
Debris
CCFL (Cold Cathode Fluorescent Lamp)
IPS (In Plane Switching)
6. 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 ____.
1280x720 1920x1080
720p 1080i
VN (Twisted Nematic)
VN (Twisted Nematic)
7. Additional monitor features include built in ____ or ____ hub.
7
Interlacing
Speakers USB
Physical effective
8. 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.
analog digital
G2G (grey-to-grey - or GTG)
Dual
CCFL (Cold Cathode Fluorescent Lamp)
9. The ____ is the ratio of the width and the height.
1920 1080
IPS (In Plane Switching)
LCD
Aspect ratio
10. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Dot pitch
Response time
U V color
Analog output
11. DVI-D ____ link cable.
Dual
Diagonal
Shadow mask
DisplayPort
12. 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
HDMI (High-Definition Multimedia Interface)
Pixels
30 99
13. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Pixels
both video and audio input
Brighter
Single source
14. 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.
TFT (thin film transistor)
1920 1080
Physical effective
Return policy
15. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
LCD
Better
Shadow mask
HDTV
16. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
DB-15
Dot pitch
Analog CRT monitor
Resolution
17. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Response time
720p 1080i
Dead pixel
Higher sharper
18. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Debris
1400 1050
Dot pitch
both video and audio input
19. 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.
Aperture grill
Analog CRT monitor
1280 1024
analog digital
20. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.
1280x720 1920x1080
2048 1536
Interlacing
Worse
21. 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.
1152 864
IPS (In Plane Switching)
IPS (In Plane Switching)
CCFL (Cold Cathode Fluorescent Lamp)
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
DVI-D (digital video-digital)
800 600
Contrast ratio
Separately
23. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.
Diagonal
Splits the signal
Color shift
DVI-A connection
24. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
TFT (thin film transistor)
Interlacing
1400 1050
Aspect ratio
25. Some LCD monitors have a D-sub connection - or you might need a cable with this connection on one end and a _______ on the other end to connect to the LCD monitor.
1600 1200
DVI-I (digital video-integrated)
720p 1080i
DVI-A connection
26. 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
Worse
Pixel pitch
Static
External
27. 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
DMS-59
Contrast ratio
VN (Twisted Nematic)
28. 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.
800 600
Contrast ratio
Analog output
Backlight
29. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
720p 1080i
1920 1080
D-sub connector
Viewing angle
30. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Flat displays
1920 1200
Static
Separately
31. ____ 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.
6
Single source
IPS (In Plane Switching)
Physical effective
32. 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.
Physical effective
Widescreen
Dead pixel
Response time
33. ____ video cable and female port.
perture grill
Composite
Dot pitch
Response time
34. 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)
Resolution
perture grill
1152 864
35. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Pixel pitch
Video card
Dual
Response time
36. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
1280x720 1920x1080
Response time
Laptop
CRT native
37. 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.
CRT native
DVI-D (digital video-digital)
both video and audio input
Refresh
38. You can connect analog CRT monitors to a video card with a...
IPS (In Plane Switching)
D-sub connector
Return policy
Video card
39. ____ 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.
Better
CRT
VA (Vertical Alignment)
Analog
40. A ____ connection on a video card provides both analog and digital output.
30 99
D-sub connector
Screen
DVI-I (digital video-integrated)
41. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Response time
CCFL (Cold Cathode Fluorescent Lamp)
TFT (thin film transistor)
Laptop
42. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Color shift
both video and audio input
1280x720 1920x1080
G2G (grey-to-grey - or GTG)
43. 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.
Widescreen
2048 1536
Resolution
Composite
44. ____ 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).
Dual link
Dual
S-video
External
45. DVI-D ____ link cable.
Single
Worse
Higher voltage
Resolution
46. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
CRT
Single link
both video and audio input
47. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
CRT native
HDTV
Separately
Utilities
48. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Response time
Viewing angle
TFT (thin film transistor)
Higher sharper
49. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
Degauss
Worse
IPS (In Plane Switching)
50. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
CRT
Color shift
Analog
TFT (thin film transistor)