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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. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Video card
1920 1200
perture grill
800 600
2. 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.
Return policy
DVI-A connection
Resolution
analog digital
3. 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.
1152 864
D-sub connector
CCFL (Cold Cathode Fluorescent Lamp)
perture grill
4. 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.
Worse
Response time
Static
Single link
5. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
U V color
1920 1080
Dynamic
Resolution
6. 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.
Response time
Static
Progressive scanning
VA (Vertical Alignment)
7. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
both video and audio input
CRT
Pixel pitch
D-sub connector
8. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
DVI-D (digital video-digital)
Dual
CCFL (Cold Cathode Fluorescent Lamp)
DVI-D (digital video-digital)
9. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
CCFL (Cold Cathode Fluorescent Lamp)
Video card
1152 864
7
10. The ____ is the ratio of the width and the height.
Aspect ratio
DB-15
Refresh
DMS-59
11. ____ panels are the most expensive type of panel - and could be difficult to find.
Single
Contrast ratio
IPS (In Plane Switching)
1280x720 1920x1080
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Response time
Interlacing
DVI-D (digital video-digital)
1024 768
13. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
VA (Vertical Alignment)
Higher sharper
1280x720 1920x1080
IPS (In Plane Switching)
14. ____ panels are the most expensive type of panel - and could be difficult to find.
CRT
IPS (In Plane Switching)
Pixel pitch
Color shift
15. 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.
LED (Light Emitting Diode)
VN (Twisted Nematic)
TFT (thin film transistor)
Response time
16. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
1600 1200
Composite video
Flat displays
1280 1024
17. DVI-D ____ link cable.
DVI-I DVI-D
CRT
1600 1200
Dual
18. ____ 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.
Brightness
Physical effective
1680 1050
CRT
19. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Return policy
Response time
Dot pitch
Laptop
20. 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
1920 1080
Higher sharper
Converter box
21. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
LCD monitor that accepts an analog connection
Better
1920 1200
Dual
22. 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.
Interlacing
720p 1080i
Dual link
VN (Twisted Nematic)
23. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Resolution
Dead pixel
D-sub DVI-A
Single link
24. 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
IPS (In Plane Switching)
D-sub
External
Adapter
25. DisplayPort does not use ______ than DVI and HDMI.
Higher voltage
7
Converter
30 99
26. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1152 864
800 600
Widescreen
1920 1080
27. 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.
Analog CRT monitor
Pixels
DVI-A connection
Interlacing
28. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Response time
Aperture grill
Analog output
29. 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
Resolution
DisplayPort
Aperture grill
2048 1536
30. 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)
D-sub
Better
Dual
31. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
1920 1080
Interlacing
Brightness
VA (Vertical Alignment)
32. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
4
Y UV
Shadow mask
33. 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
External
30 99
16:9
Interlacing
34. ____ 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.
Shadow mask
Brightness
Progressive scanning
IPS (In Plane Switching)
35. 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 ____.
DVI-A (digital video-analog)
Converter box
Backlight
perture grill
36. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Widescreen
LCD
Single
4:3
37. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
U V color
Laptop
Analog output
G2G (grey-to-grey - or GTG)
38. ____ 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.
Y UV
DVI-I (digital video-integrated)
LCD
Dead
39. 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.
Separately
30 99
Dot pitch
1280 1024
40. 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.
1280x720 1920x1080
1920 1200
Shadow mask
DVI-A (digital video-analog)
41. 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
Shadow mask
D-sub
TV-tuner
CRT
42. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
IPS (In Plane Switching)
DisplayPort
Dead pixel
Resolution
43. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
G2G (grey-to-grey - or GTG)
Dynamic
IPS (In Plane Switching)
Single
44. ____ 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.
1280 1024
DVI-I (digital video-integrated)
LCD
Physical effective
45. DVI-D ____ link cable.
Single
DVI-A (digital video-analog)
Same cable
LED (Light Emitting Diode)
46. 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
1400 1050
Static
CCFL (Cold Cathode Fluorescent Lamp)
Degauss
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Laptop
Static
Shadow mask
48. 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.
1920 1200
CCFL (Cold Cathode Fluorescent Lamp)
Dual link
Progressive scanning
49. 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
Contrast ratio
Converter box
HDTV
50. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
LCD monitor that accepts an analog connection
1600 1200
IPS (In Plane Switching)
Converter box