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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. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Worse
Resolution
G2G (grey-to-grey - or GTG)
External
2. 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
Video card
VN (Twisted Nematic)
DVI-I (digital video-integrated)
16:9
3. 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.
Resolution
Physical effective
Contrast ratio
1280 1024
4. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Contrast ratio
Progressive scanning
CCFL (Cold Cathode Fluorescent Lamp)
5. 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.
HDMI (High-Definition Multimedia Interface)
Dot pitch
Backlight
Dual
6. ____ panels are the most expensive type of panel - and could be difficult to find.
1280x720 1920x1080
IPS (In Plane Switching)
Color shift
VN (Twisted Nematic)
7. DVI-D ____ link cable.
Converter box
Aperture grill
640 480
Dual
8. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Dead
Higher sharper
4
Single
9. 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.
CCFL (Cold Cathode Fluorescent Lamp)
External
Contrast ratio
Physical effective
10. 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
1920 1080
Return policy
4:3
11. The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
Video card
DVI-I (digital video-integrated)
Speakers USB
Viewing angle
12. ____ video cable and female port.
DVI-D (digital video-digital)
Brighter
Composite
1280 1024
13. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
CRT
Analog
Single link
14. 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.
Color shift
Physical effective
Interlacing
Debris
15. 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
Static
1680 1050
Worse
1600 1200
16. 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.
Widescreen
Static
Viewing angle
Response time
17. 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).
Interlacing
720p 1080i
1280 1024
Widescreen
18. 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)
Aperture grill
both video and audio input
Response time
19. ____ female port.
Contrast ratio
DVI-D (digital video-digital)
D-sub
1280 1024
20. TN panels have ____ viewing angles and contrast ratios than the other display types.
Viewing angle
1920 1080
800 600
Worse
21. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Composite video
Resolution
Normal
D-sub DVI-A
22. 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.
Dual
RCA
DVI-A (digital video-analog)
Widescreen
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1024 768
1600 1200
1400 1050
LED (Light Emitting Diode)
24. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
IPS (In Plane Switching)
Same cable
Video card
CCFL (Cold Cathode Fluorescent Lamp)
25. TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.
Flat displays
Aperture grill
Resolution
6
26. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
1680 1050
720p 1080i
analog digital
27. ____ 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.
Refresh
Static
Brightness
LED (Light Emitting Diode)
28. Monitor size is typically described using a ____ measurement.
Diagonal
1280x720 1920x1080
IPS (In Plane Switching)
Response time
29. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
800 600
HDCP
Static
IPS (In Plane Switching)
30. 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.
Composite
IPS (In Plane Switching)
VN (Twisted Nematic)
DVI-D (digital video-digital)
31. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
D-sub
DisplayPort
IPS (In Plane Switching)
LCD monitor that accepts an analog connection
32. ____ is an alternative to an HDMI connector.
Aperture grill
Y brightness
Single
DisplayPort
33. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
1024 768
CRT
4
30 99
34. You can connect analog CRT monitors to a video card with a...
CRT
D-sub connector
Brightness
DVI-I (digital video-integrated)
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
30 99
TV-tuner
Brightness
Converter box
36. 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.
Backlight
Splits the signal
Progressive scanning
Static
37. The ____ connector is used to allow multiple video ports from a single connection.It is typically included on slimline video cards that can have only a single port. It sends out two separate DVI-I signals through the single connector.
CRT native
Return policy
Widescreen
DMS-59
38. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Static
both video and audio input
HDCP
1680 1050
39. Having a few dead ____ can be common on many displays.
Backlight
Response time
Pixels
Screen
40. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Refresh
Better
Analog
6
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Widescreen
1600 1200
1152 864
D-sub
42. 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
Analog CRT monitor
CCFL (Cold Cathode Fluorescent Lamp)
LED (Light Emitting Diode)
1280 1024
43. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Y brightness
Resolution
CRT
Return policy
44. Pressing lightly on the ____ may revive the pixel.
Speakers USB
Screen
CRT
6
45. The ____ is the ratio of the width and the height.
Resolution
Static
HDCP
Aspect ratio
46. ____ cable and female port.
Dead
S-video
Brightness
Interlacing
47. Composite signals combine three qualities of video into a single signal; the ____ channel is for ____ or luminance and U and V channels provide color information.
Pixel pitch
Widescreen
Aperture grill
Y brightness
48. The ____ is the ratio of the width and the height.
DB-15
U V color
1024 768
Aspect ratio
49. A ____ connection on a video card provides both analog and digital output.
Diagonal
DVI-I (digital video-integrated)
D-sub connector
Static
50. 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.
HDCP
Splits the signal
CRT
Adapter