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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. SXGA = ____ x ____ (5:4 aspect ratio).
1400 1050
1280 1024
Refresh
Splits the signal
2. 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.
1400 1050
Dead
LED (Light Emitting Diode)
Splits the signal
3. ____ video cable and female port.
VA (Vertical Alignment)
CRT
Composite
Static
4. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Physical effective
4:3
720p 1080i
Utilities
5. 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 ____.
IPS (In Plane Switching)
DB-15
30 99
1280x720 1920x1080
6. ____ (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.
720p 1080i
1400 1050
Normal
16:9
7. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
1400 1050
640 480
Better
Static
8. There are ____ to identify and possibly fix dead pixels on a monitor.
DB-15
Utilities
Y brightness
1280 1024
9. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
CCFL (Cold Cathode Fluorescent Lamp)
DVI-D (digital video-digital)
Static
both video and audio input
10. 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.
Pixel pitch
analog digital
IPS (In Plane Switching)
Converter
11. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Utilities
DB-15
4:3
1152 864
12. Monitor size is typically described using a ____ measurement.
1400 1050
Refresh
Diagonal
Single
13. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
DVI-A connection
Converter box
2048 1536
14. 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
Flat displays
Backlight
Laptop
15. The ____ is the ratio of the width and the height.
Digital
D-sub connector
External
Aspect ratio
16. 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.
Converter box
TFT (thin film transistor)
Interlacing
4:3
17. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Better
4:3
LCD monitor that accepts an analog connection
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Worse
Physical effective
Better
19. 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)
Viewing angle
VA (Vertical Alignment)
Resolution
20. 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)
Resolution
1400 1050
Pixels
21. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Color shift
Video card
Single link
D-sub DVI-A
22. RT monitors use an electron beam that hits phosphor dots inside of a vacuum tube. While it is possible for a CRT monitor to have a digital connection - virtually all CRT monitors connect to the video card using a ____ (also called a D-sub) connector.
800 600
DB-15
Shadow mask
Dynamic
23. ____ 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.
both video and audio input
Better
IPS (In Plane Switching)
CRT
24. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Normal
D-sub
Pixel pitch
25. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Better
Adapter
VN (Twisted Nematic)
IPS (In Plane Switching)
26. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Normal
Color shift
Pixel pitch
IPS (In Plane Switching)
27. The ____ identifies the angle at which the image can still be seen. With LCD monitors - the image will be dimmer and colors distorted when viewed from an angle. It is described with two numbers: horizontal angle and vertical angle - with a higher num
Viewing angle
Response time
Return policy
both video and audio input
28. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
LCD
Degauss
VA (Vertical Alignment)
Composite
29. There are ____ to identify and possibly fix dead pixels on a monitor.
Shadow mask
Converter
Utilities
Refresh
30. 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
Flat displays
both video and audio input
both video and audio input
External
31. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
1600 1200
Degauss
IPS (In Plane Switching)
32. 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)
Single link
Normal
HDMI (High-Definition Multimedia Interface)
33. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
4:3
2048 1536
Y UV
LCD monitor that accepts an analog connection
34. RT monitors use an electron beam that hits phosphor dots inside of a vacuum tube. While it is possible for a CRT monitor to have a digital connection - virtually all CRT monitors connect to the video card using a ____ (also called a D-sub) connector.
Single source
DB-15
Contrast ratio
DVI-I DVI-D
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.
6
CRT
Resolution
1920 1080
36. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
6
Analog
LCD
D-sub DVI-A
37. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Refresh
Dot pitch
720p 1080i
Better
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.
LCD
Dual
6
Resolution
39. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Brighter
CRT
1680 1050
Resolution
40. The HDTV connector uses a ____-pin mini-din cable.
1400 1050
7
Interlacing
Contrast ratio
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Static
both video and audio input
1152 864
1920 1200
42. Having a few dead ____ can be common on many displays.
Pixels
Dual link
Screen
TFT (thin film transistor)
43. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
DVI-A (digital video-analog)
LCD monitor that accepts an analog connection
Dynamic
Single
44. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Dot pitch
Pixels
1600 1200
30 99
45. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Degauss
6
CRT
46. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Aspect ratio
CRT
Splits the signal
4:3
47. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Viewing angle
Degauss
720p 1080i
D-sub
48. ____ 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.
IPS (In Plane Switching)
Brighter
Normal
Brightness
49. The ____ is the ratio of the width and the height.
2048 1536
Dot pitch
HDMI (High-Definition Multimedia Interface)
Aspect ratio
50. 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.
Aperture grill
640 480
Physical effective
Dead