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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. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar
Screen
Shadow mask
DVI-D (digital video-digital)
Physical effective
2. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Diagonal
1920 1080
CRT
Aspect ratio
3. The ____ is the ratio of the width and the height.
Aspect ratio
both video and audio input
1152 864
Normal
4. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
External
Y UV
Speakers USB
Dual
5. 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.
Normal
DVI-A connection
DVI-D (digital video-digital)
Interlacing
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Brightness
Single source
640 480
Dot pitch
7. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DVI-D (digital video-digital)
DVI-A connection
Physical effective
Dual
8. ____ 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.
HDCP
Interlacing
Brightness
Video card
9. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
6
U V color
Dual link
Pixel pitch
10. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Progressive scanning
LED (Light Emitting Diode)
TFT (thin film transistor)
Resolution
11. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Dead
4:3
Better
D-sub DVI-A
12. TN panels have ____ viewing angles and contrast ratios than the other display types.
Pixel pitch
DisplayPort
Worse
Color shift
13. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
VN (Twisted Nematic)
Speakers USB
Color shift
4
14. Additional monitor features include built in ____ or ____ hub.
D-sub connector
Speakers USB
1400 1050
1280 1024
15. 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).
F-type
1280 1024
Analog output
Interlacing
16. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
F-type
Return policy
Physical effective
17. 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.
Splits the signal
Brightness
4:3
1920 1080
18. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
CCFL (Cold Cathode Fluorescent Lamp)
Dual
4:3
19. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
2048 1536
Brightness
1024 768
Pixel pitch
20. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
6
Contrast ratio
Dynamic
Higher sharper
21. 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
6
VN (Twisted Nematic)
Degauss
D-sub
22. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
both video and audio input
IPS (In Plane Switching)
Laptop
Composite video
23. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Viewing angle
HDMI (High-Definition Multimedia Interface)
4:3
VA (Vertical Alignment)
24. ____ displays have a 4:3 aspect ratio (used in CRT displays).
DVI-A (digital video-analog)
Brightness
Debris
Normal
25. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.
Aperture grill
DVI-I (digital video-integrated)
HDCP
Refresh
26. A DVI-A (digital video-analog) is used for an ____________. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.
IPS (In Plane Switching)
DVI-D (digital video-digital)
Color shift
Analog CRT monitor
27. A ____ connection on a video card provides both analog and digital output.
Interlacing
Contrast ratio
Resolution
DVI-I (digital video-integrated)
28. 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
Dual
4:3
Degauss
1920 1080
29. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Dual link
Dead pixel
Brighter
Dot pitch
30. 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.
D-sub DVI-A
Single
16:9
Video card
31. The ____ contrast ratio indicates the difference that can be displayed at the same time.
CCFL (Cold Cathode Fluorescent Lamp)
Video card
Static
DVI-A (digital video-analog)
32. 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.
1024 768
Video card
D-sub connector
2048 1536
33. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
1024 768
Pixel pitch
Interlacing
2048 1536
34. ____ on the screen can be mistaken for a dead pixel.
IPS (In Plane Switching)
LCD monitor that accepts an analog connection
Debris
1600 1200
35. There are ____ to identify and possibly fix dead pixels on a monitor.
HDCP
Resolution
Utilities
Debris
36. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
1920 1200
Brighter
VA (Vertical Alignment)
IPS (In Plane Switching)
37. 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.
VN (Twisted Nematic)
LCD
Resolution
Dual
38. 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.
Progressive scanning
DVI-A (digital video-analog)
CRT native
DVI-A connection
39. 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 ____.
Better
1280x720 1920x1080
Dual link
Speakers USB
40. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
4
Brighter
LCD monitor that accepts an analog connection
16:9
41. 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.
800 600
perture grill
Aspect ratio
VA (Vertical Alignment)
42. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Aperture grill
720p 1080i
1600 1200
G2G (grey-to-grey - or GTG)
43. 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.
Brighter
Contrast ratio
Response time
LED (Light Emitting Diode)
44. 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.
Pixels
1280x720 1920x1080
CRT
Interlacing
45. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Utilities
Better
CRT native
Physical effective
46. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Normal
IPS (In Plane Switching)
Composite video
6
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
LCD
1600 1200
1920 1080
1920 1200
48. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
DVI-D (digital video-digital)
CCFL (Cold Cathode Fluorescent Lamp)
Color shift
Dot pitch
49. 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.
Video card
analog digital
Dynamic
Better
50. 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.
S-video
CCFL (Cold Cathode Fluorescent Lamp)
Progressive scanning
Normal