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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. ____ (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.
Shadow mask
IPS (In Plane Switching)
720p 1080i
1152 864
2. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
HDCP
Diagonal
Brighter
Flat displays
3. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Contrast ratio
Resolution
Normal
Response time
4. ____ 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.
Adapter
16:9
Brightness
Single
5. 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.
DVI-I (digital video-integrated)
Converter box
Physical effective
Video card
6. 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.
D-sub connector
Pixels
Response time
F-type
7. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Flat displays
IPS (In Plane Switching)
Brighter
Normal
8. 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 ____.
HDCP
Adapter
Converter
1400 1050
9. 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.
16:9
1680 1050
Resolution
analog digital
10. 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.
DB-15
G2G (grey-to-grey - or GTG)
CRT native
DisplayPort
11. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Degauss
Response time
Viewing angle
CRT
12. Pressing lightly on the ____ may revive the pixel.
perture grill
U V color
Dead
Screen
13. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
1680 1050
Response time
Single
14. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
DVI-I DVI-D
DVI-I (digital video-integrated)
Response time
Viewing angle
15. 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.
perture grill
Contrast ratio
Progressive scanning
720p 1080i
16. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
Analog CRT monitor
640 480
D-sub connector
17. 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.
Speakers USB
Analog output
Composite
Analog CRT monitor
18. 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.
Backlight
DVI-D (digital video-digital)
CCFL (Cold Cathode Fluorescent Lamp)
Analog CRT monitor
19. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
2048 1536
1680 1050
LCD monitor that accepts an analog connection
Pixel pitch
20. Monitor size is typically described using a ____ measurement.
1680 1050
1600 1200
Diagonal
LCD
21. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Higher voltage
DVI-A (digital video-analog)
Normal
1400 1050
22. ____ 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).
Dual link
Single link
1152 864
7
23. Green monitors are Energy Star or Green Star compliant. These monitors use less than ____ watts and reduce power consumption by ____% when in sleep or suspended mode.
Converter box
Interlacing
30 99
Degauss
24. 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 ____.
1680 1050
CRT
Converter box
1680 1050
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.
Video card
Resolution
Aperture grill
Video card
26. 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.
perture grill
Laptop
LCD monitor that accepts an analog connection
7
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
D-sub connector
TFT (thin film transistor)
IPS (In Plane Switching)
800 600
28. 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.
IPS (In Plane Switching)
Dead
DVI-A connection
Digital
29. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Physical effective
Color shift
Dot pitch
Brightness
30. ____ and ____ are electrically equivalent - meaning that a simple pin-to-pin adapter is all that is required to connect a DVI device to an HDMI port.
Pixel pitch
DVI HDMI
Brighter
Refresh
31. 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.
Brightness
Dual link
perture grill
Utilities
32. ____ 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.
Diagonal
Better
IPS (In Plane Switching)
1280 1024
33. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Digital
LED (Light Emitting Diode)
Dual
34. 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
Brightness
Worse
Degauss
Higher sharper
35. 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.
IPS (In Plane Switching)
D-sub DVI-A
Progressive scanning
DVI-D (digital video-digital)
36. Additional monitor features include built in ____ or ____ hub.
DB-15
Static
Speakers USB
G2G (grey-to-grey - or GTG)
37. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
1024 768
TFT (thin film transistor)
DMS-59
Dead pixel
38. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Refresh
LCD monitor that accepts an analog connection
DisplayPort
Better
39. 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.
LED (Light Emitting Diode)
1280x720 1920x1080
Degauss
Contrast ratio
40. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Response time
1152 864
DB-15
D-sub
41. 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.
1280 1024
Response time
HDTV
Interlacing
42. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
Refresh
1680 1050
Dead
43. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1920 1080
U V color
LED (Light Emitting Diode)
1280x720 1920x1080
44. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Interlacing
Screen
IPS (In Plane Switching)
Analog
45. 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
Brightness
Return policy
TV-tuner
Dead pixel
46. 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).
Digital
1280 1024
D-sub DVI-A
Utilities
47. 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.
Resolution
G2G (grey-to-grey - or GTG)
perture grill
VN (Twisted Nematic)
48. ____ (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.
Response time
Analog output
Degauss
720p 1080i
49. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Backlight
Aperture grill
Digital
both video and audio input
50. ____ panels are the most expensive type of panel - and could be difficult to find.
1920 1080
Response time
Worse
IPS (In Plane Switching)