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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. 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
LCD
Better
Resolution
2. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
Y UV
1152 864
Video card
IPS (In Plane Switching)
3. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
TFT (thin film transistor)
IPS (In Plane Switching)
1920 1080
VN (Twisted Nematic)
4. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
CRT native
Interlacing
800 600
Higher sharper
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Single link
1400 1050
1600 1200
1024 768
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
6
Single
1600 1200
Brightness
7. 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
Static
Resolution
Widescreen
8. 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.
Physical effective
perture grill
Degauss
Interlacing
9. Without a built-in tuner - video input is limited to a ____ channel - and changing TV channels must be done at the ____ device before inputting into the video card.
Single source
Aperture grill
D-sub connector
Worse
10. 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 ____.
Flat displays
LCD monitor that accepts an analog connection
1280x720 1920x1080
30 99
11. ____ 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.
DB-15
HDCP
Brightness
16:9
12. 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).
4:3
1280 1024
DB-15
CCFL (Cold Cathode Fluorescent Lamp)
13. ____ 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)
Diagonal
1600 1200
Backlight
14. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dot pitch
Resolution
4:3
Backlight
15. 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.
IPS (In Plane Switching)
Dot pitch
720p 1080i
Response time
16. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
VA (Vertical Alignment)
D-sub
Diagonal
LCD monitor that accepts an analog connection
17. 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.
LED (Light Emitting Diode)
Pixels
Progressive scanning
VN (Twisted Nematic)
18. 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)
Interlacing
1400 1050
Single
19. Monitor size is typically described using a ____ measurement.
Response time
Return policy
16:9
Diagonal
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
TFT (thin film transistor)
Flat displays
CRT
1680 1050
21. 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.
Flat displays
Diagonal
Composite
DVI-D (digital video-digital)
22. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Shadow mask
1280 1024
CRT native
Analog output
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1400 1050
DisplayPort
1024 768
Better
24. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
720p 1080i
Dead pixel
LED (Light Emitting Diode)
Screen
25. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
1280 1024
Debris
Pixel pitch
Screen
26. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
CRT
HDTV
Dynamic
LED (Light Emitting Diode)
27. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
G2G (grey-to-grey - or GTG)
Widescreen
CCFL (Cold Cathode Fluorescent Lamp)
Color shift
28. 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
VN (Twisted Nematic)
CCFL (Cold Cathode Fluorescent Lamp)
Aspect ratio
29. 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.
Degauss
1024 768
Progressive scanning
F-type
30. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
Pixel pitch
G2G (grey-to-grey - or GTG)
Dot pitch
31. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
perture grill
Degauss
4:3
Refresh
32. You can connect analog CRT monitors to a video card with a...
1920 1200
D-sub connector
D-sub
Resolution
33. ____ female port.
TFT (thin film transistor)
Physical effective
DVI-D (digital video-digital)
External
34. 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 ____.
Dead
1920 1080
Converter box
Dynamic
35. 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.
1600 1200
Resolution
Better
DB-15
36. 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.
Interlacing
Contrast ratio
Better
Analog
37. You can connect an analog CRT or LCD monitor to a video card with a DVI-I connector. This requires a cable with a ____ connection on one end and a ____ connection on the other end.
DVI-D (digital video-digital)
6
1680 1050
D-sub DVI-A
38. There are ____ to identify and possibly fix dead pixels on a monitor.
Separately
1024 768
Utilities
Static
39. DVI-D ____ link cable.
Dynamic
Flat displays
Dual
Degauss
40. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Adapter
D-sub
Widescreen
TFT (thin film transistor)
41. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
16:9
Dual
Interlacing
4
42. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Degauss
DVI-A (digital video-analog)
Dual
Analog output
43. 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.
Dot pitch
6
DVI-A (digital video-analog)
Contrast ratio
44. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Dual
Dot pitch
Worse
DVI-D (digital video-digital)
45. ____ panels are the most expensive type of panel - and could be difficult to find.
DVI-D (digital video-digital)
Flat displays
IPS (In Plane Switching)
720p 1080i
46. ____ is an alternative to an HDMI connector.
LED (Light Emitting Diode)
Analog CRT monitor
Normal
DisplayPort
47. Having a few dead ____ can be common on many displays.
Dot pitch
Single source
CCFL (Cold Cathode Fluorescent Lamp)
Pixels
48. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Dead
1400 1050
Video card
Pixels
49. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.
DVI-A connection
Response time
Dead
VA (Vertical Alignment)
50. 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 ____.
IPS (In Plane Switching)
Normal
D-sub
Converter box