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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. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Refresh
Utilities
Normal
Composite
2. 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
30 99
Higher sharper
1680 1050
Worse
3. 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.
Single link
Laptop
VN (Twisted Nematic)
1024 768
4. ____ on the screen can be mistaken for a dead pixel.
1920 1200
Refresh
Physical effective
Debris
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
D-sub connector
DVI-I (digital video-integrated)
DB-15
6. 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
DVI-D (digital video-digital)
Laptop
Converter box
7. DVI-D ____ link cable.
LED (Light Emitting Diode)
DVI-A (digital video-analog)
Single
perture grill
8. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Degauss
Interlacing
Brightness
CRT
9. 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.
CRT
Higher sharper
LCD monitor that accepts an analog connection
DVI-A connection
10. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA = ____ x ____ (5:4 aspect ratio).
analog digital
1280 1024
TFT (thin film transistor)
Resolution
11. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
DB-15
TFT (thin film transistor)
Single
2048 1536
12. ____ 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).
2048 1536
Better
Debris
Dual link
13. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Widescreen
Converter box
Resolution
14. 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)
IPS (In Plane Switching)
1600 1200
CRT
15. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
D-sub connector
Analog output
analog digital
Dual
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
DVI HDMI
Contrast ratio
Higher sharper
1024 768
17. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Resolution
Video card
DVI-D (digital video-digital)
18. 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
1920 1080
DVI-A (digital video-analog)
Single link
19. ____ (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
LED (Light Emitting Diode)
DB-15
800 600
20. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
CCFL (Cold Cathode Fluorescent Lamp)
Brighter
2048 1536
G2G (grey-to-grey - or GTG)
21. 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
CCFL (Cold Cathode Fluorescent Lamp)
Composite
1400 1050
External
22. DisplayPort does not use ______ than DVI and HDMI.
1600 1200
CRT
Higher sharper
Higher voltage
23. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
1280 1024
Worse
CRT
VA (Vertical Alignment)
24. 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.
1152 864
perture grill
Interlacing
Refresh
25. 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.
LED (Light Emitting Diode)
Interlacing
DVI-A (digital video-analog)
Speakers USB
26. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
Analog CRT monitor
LCD
Physical effective
Composite video
27. The ____ is the ratio of the width and the height.
LED (Light Emitting Diode)
Response time
Aspect ratio
1600 1200
28. 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
1920 1080
G2G (grey-to-grey - or GTG)
Shadow mask
29. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
1024 768
CRT native
HDTV
30. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Analog
720p 1080i
Resolution
7
31. As with composite and s-video - audio must be supplied to the device...
DisplayPort
CRT
CRT
Separately
32. 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.
Color shift
DB-15
Diagonal
Higher voltage
33. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Refresh
TFT (thin film transistor)
Brightness
34. 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
Speakers USB
1680 1050
IPS (In Plane Switching)
CRT
35. ____ video cable and female port.
HDCP
VA (Vertical Alignment)
Composite
CCFL (Cold Cathode Fluorescent Lamp)
36. 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 ____.
1280 1024
LED (Light Emitting Diode)
VN (Twisted Nematic)
Converter box
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.
1280 1024
Refresh
2048 1536
16:9
38. 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
16:9
Higher sharper
Resolution
DB-15
39. ____ female port.
4:3
DVI-D (digital video-digital)
Return policy
IPS (In Plane Switching)
40. ____ 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.
7
Y brightness
CRT native
Brightness
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
CRT
Speakers USB
DVI-A (digital video-analog)
800 600
42. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Contrast ratio
VN (Twisted Nematic)
TFT (thin film transistor)
IPS (In Plane Switching)
43. 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.
DB-15
U V color
Interlacing
Brightness
44. The ____ is the ratio of the width and the height.
CRT native
Aspect ratio
Resolution
Dot pitch
45. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
6
30 99
Interlacing
both video and audio input
46. 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
Color shift
LCD
Video card
LED (Light Emitting Diode)
47. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Screen
Widescreen
Higher sharper
CRT native
48. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.
TFT (thin film transistor)
Screen
Converter
Dynamic
49. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1024 768
Normal
Video card
1920 1080
50. ____ 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).
analog digital
Resolution
Dynamic
Dual link