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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 ____ 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.
1400 1050
Utilities
DVI-I (digital video-integrated)
Video card
2. 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.
Pixel pitch
Laptop
Analog CRT monitor
LCD monitor that accepts an analog connection
3. 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
Interlacing
DB-15
Dual
LED (Light Emitting Diode)
4. 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.
DVI-A (digital video-analog)
Brighter
Dual
Screen
5. 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.
1152 864
Dual
Splits the signal
1024 768
6. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.
CCFL (Cold Cathode Fluorescent Lamp)
2048 1536
perture grill
Adapter
7. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
Response time
Worse
2048 1536
8. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
DVI-D (digital video-digital)
CRT
D-sub
CCFL (Cold Cathode Fluorescent Lamp)
9. ____ 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).
Backlight
VN (Twisted Nematic)
VA (Vertical Alignment)
Dual link
10. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
DVI HDMI
Laptop
640 480
Brighter
11. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
1400 1050
Pixel pitch
IPS (In Plane Switching)
Utilities
12. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
Dead pixel
Dual
DB-15
13. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Return policy
Viewing angle
Progressive scanning
Response time
14. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
VN (Twisted Nematic)
LCD
4:3
Speakers USB
15. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
CCFL (Cold Cathode Fluorescent Lamp)
2048 1536
CCFL (Cold Cathode Fluorescent Lamp)
Y brightness
16. ____ on the screen can be mistaken for a dead pixel.
4
Debris
DB-15
Single link
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
4:3
DVI-D (digital video-digital)
Resolution
18. Additional monitor features include built in ____ or ____ hub.
Speakers USB
LCD
4:3
Analog output
19. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
Dead
U V color
Color shift
Y UV
20. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Speakers USB
4:3
DVI-I DVI-D
Interlacing
21. 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.
Dual
CRT
Interlacing
CRT
22. 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.
1280 1024
TV-tuner
Physical effective
Flat displays
23. 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.
Brightness
1280 1024
Same cable
Response time
24. ____ female port.
DVI-A connection
Same cable
Converter box
DVI-D (digital video-digital)
25. 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.
Color shift
VN (Twisted Nematic)
Better
Analog output
26. 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.
CRT
Y UV
Worse
Contrast ratio
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.
Normal
Analog output
DVI-A connection
LED (Light Emitting Diode)
28. 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
Response time
HDCP
Video card
29. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Backlight
1152 864
Brightness
CRT native
30. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
1400 1050
Higher sharper
G2G (grey-to-grey - or GTG)
IPS (In Plane Switching)
31. 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
Higher sharper
CRT
Dot pitch
32. 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.
Widescreen
Progressive scanning
Interlacing
1920 1080
33. 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)
Dot pitch
Higher sharper
Single link
34. 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 ____.
1280x720 1920x1080
Brighter
1920 1200
7
35. TN panels have ____ viewing angles and contrast ratios than the other display types.
S-video
Worse
Flat displays
F-type
36. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
D-sub connector
CRT
LED (Light Emitting Diode)
Static
37. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
Aperture grill
Color shift
720p 1080i
38. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Dynamic
Analog CRT monitor
1600 1200
DMS-59
39. 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.
Dual link
Dead
7
1680 1050
40. Monitor size is typically described using a ____ measurement.
1024 768
HDMI (High-Definition Multimedia Interface)
Diagonal
1280x720 1920x1080
41. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Composite video
Resolution
Video card
D-sub DVI-A
42. 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.
Backlight
Dead pixel
Analog output
Shadow mask
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.
Single
1400 1050
Response time
DVI-A connection
44. 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
Video card
Video card
1920 1200
45. ____ video cable and female port.
CRT native
Refresh
Composite
F-type
46. 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.
Better
16:9
Pixels
CCFL (Cold Cathode Fluorescent Lamp)
47. ____ panels are the most expensive type of panel - and could be difficult to find.
30 99
Y brightness
IPS (In Plane Switching)
Converter box
48. The ____ is the ratio of the width and the height.
IPS (In Plane Switching)
Aspect ratio
Contrast ratio
1600 1200
49. ____ (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.
Resolution
DMS-59
Interlacing
720p 1080i
50. 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.
Physical effective
Composite video
Contrast ratio
6