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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. Additional monitor features include built in ____ or ____ hub.
Dead
1280x720 1920x1080
Speakers USB
Refresh
2. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Color shift
Progressive scanning
Normal
Video card
3. 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 ____.
CRT
Interlacing
TFT (thin film transistor)
1280x720 1920x1080
4. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Response time
2048 1536
Interlacing
DisplayPort
5. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Dead pixel
Normal
Static
6
6. The ____ is the ratio of the width and the height.
Aspect ratio
Converter box
S-video
IPS (In Plane Switching)
7. ____ 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.
CRT
DVI-A (digital video-analog)
1024 768
Separately
8. 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.
1152 864
1024 768
Backlight
DVI-A connection
9. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Splits the signal
DisplayPort
both video and audio input
D-sub
10. 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.
6
External
perture grill
16:9
11. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Separately
VA (Vertical Alignment)
DB-15
CRT
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
Diagonal
16:9
Normal
D-sub connector
13. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Normal
6
Composite
IPS (In Plane Switching)
14. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
Analog
DVI-D (digital video-digital)
1680 1050
VN (Twisted Nematic)
15. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Better
Dot pitch
Resolution
Dual
16. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
4:3
Laptop
4:3
17. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Higher sharper
Diagonal
4:3
1280 1024
18. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
1920 1200
Brighter
DVI-D (digital video-digital)
G2G (grey-to-grey - or GTG)
19. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Interlacing
Pixel pitch
Color shift
Progressive scanning
20. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Worse
Composite
CRT
Single link
21. 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
Return policy
both video and audio input
Dual
1680 1050
22. ____ 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.
Speakers USB
Interlacing
Brightness
6
23. 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
External
Worse
Converter
1920 1080
24. DVI-D ____ link cable.
Single
1400 1050
HDTV
640 480
25. The HDTV connector uses a ____-pin mini-din cable.
IPS (In Plane Switching)
7
720p 1080i
Utilities
26. The ____ is the ratio of the width and the height.
Aspect ratio
Resolution
Aperture grill
analog digital
27. 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.
1152 864
DB-15
6
Static
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.
G2G (grey-to-grey - or GTG)
Aspect ratio
Refresh
External
29. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Physical effective
both video and audio input
1024 768
IPS (In Plane Switching)
30. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
1280x720 1920x1080
Backlight
analog digital
CRT native
31. Monitor size is typically described using a ____ measurement.
TFT (thin film transistor)
Debris
CRT native
Diagonal
32. 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.
Static
D-sub
IPS (In Plane Switching)
VN (Twisted Nematic)
33. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
TFT (thin film transistor)
G2G (grey-to-grey - or GTG)
Digital
VN (Twisted Nematic)
34. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dual
Dynamic
VA (Vertical Alignment)
Backlight
35. Do not confuse video in - which can be supplied by composite - s-video - or HDTV connectors - with ____ capabilities. The built-in tuner means that the card or monitor itself has the ability to accept multi-channel input and change the display by cha
1600 1200
Dot pitch
16:9
TV-tuner
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
TV-tuner
800 600
analog digital
VN (Twisted Nematic)
37. 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.
Pixels
1680 1050
DVI-A (digital video-analog)
F-type
38. ____ 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.
Shadow mask
HDCP
Interlacing
CRT
39. 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.
1152 864
Flat displays
VN (Twisted Nematic)
DVI-A connection
40. 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.
LCD monitor that accepts an analog connection
DB-15
Widescreen
Y UV
41. ____ 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.
Debris
Brightness
Laptop
Better
42. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Pixel pitch
Debris
720p 1080i
VA (Vertical Alignment)
43. ____ 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.
IPS (In Plane Switching)
Viewing angle
CCFL (Cold Cathode Fluorescent Lamp)
1280x720 1920x1080
44. ____ (1280 x 720 progressive scan) and ____ (1920 x 1080 with interlacing) identify displays that do not support full HD content - with both 720p and 1080i being comparable in quality.
720p 1080i
DVI-A (digital video-analog)
analog digital
30 99
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.
TFT (thin film transistor)
DVI HDMI
Refresh
both video and audio input
46. If you are concerned about dead pixels - review the ____ before purchasing.
1680 1050
Dot pitch
DVI-A connection
Return policy
47. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
4:3
Single link
Resolution
LCD monitor that accepts an analog connection
48. 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
Diagonal
VN (Twisted Nematic)
CCFL (Cold Cathode Fluorescent Lamp)
49. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Worse
Physical effective
Pixels
50. 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
Response time
LED (Light Emitting Diode)
Flat displays