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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. 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.
Analog CRT monitor
720p 1080i
1024 768
1024 768
2. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Contrast ratio
IPS (In Plane Switching)
1400 1050
Dynamic
3. ____ 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).
VA (Vertical Alignment)
Dual link
Dot pitch
VN (Twisted Nematic)
4. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Interlacing
Shadow mask
TFT (thin film transistor)
Resolution
5. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
LCD
Higher sharper
VN (Twisted Nematic)
Aperture grill
6. ____ on the screen can be mistaken for a dead pixel.
IPS (In Plane Switching)
Backlight
DVI-D (digital video-digital)
Debris
7. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Brightness
Single link
Dead pixel
4
8. 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
1680 1050
G2G (grey-to-grey - or GTG)
Dual
Higher sharper
9. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Dead pixel
Single link
Static
1152 864
10. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
30 99
4
Diagonal
Same cable
11. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
G2G (grey-to-grey - or GTG)
Dot pitch
DB-15
Viewing angle
12. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
D-sub
Viewing angle
DMS-59
Response time
13. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Dynamic
DB-15
DVI-D (digital video-digital)
Dynamic
14. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Separately
perture grill
640 480
HDCP
15. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Video card
Higher voltage
Refresh
1600 1200
16. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Static
1600 1200
CRT
Interlacing
17. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
DVI-A connection
Pixel pitch
TFT (thin film transistor)
Degauss
18. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Debris
CRT
Higher sharper
Flat displays
19. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Widescreen
DB-15
CRT
640 480
20. ____ (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.
Brighter
720p 1080i
CRT
Digital
21. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Single link
Analog CRT monitor
Viewing angle
22. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dot pitch
Resolution
D-sub connector
LED (Light Emitting Diode)
23. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
DVI-I DVI-D
1600 1200
Color shift
VA (Vertical Alignment)
24. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
1400 1050
Static
800 600
Response time
25. Video cards with HDTV output typically include a conversion cable that converts the 7-pin connector into three ____ cables for connecting to an HDTV device.
RCA
DB-15
DVI-A connection
640 480
26. 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
1920 1200
Dead
both video and audio input
27. 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
Screen
Color shift
LED (Light Emitting Diode)
Physical effective
28. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Viewing angle
Better
1400 1050
IPS (In Plane Switching)
29. 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.
Analog CRT monitor
Y UV
Brighter
IPS (In Plane Switching)
30. There are ____ to identify and possibly fix dead pixels on a monitor.
LED (Light Emitting Diode)
Screen
Utilities
HDTV
31. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Shadow mask
Normal
Analog CRT monitor
Laptop
32. 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.
Contrast ratio
DB-15
CCFL (Cold Cathode Fluorescent Lamp)
Analog CRT monitor
33. ____ panels are the most expensive type of panel - and could be difficult to find.
Dot pitch
Dead
DVI-A connection
IPS (In Plane Switching)
34. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Response time
Converter
Pixel pitch
Video card
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
Video card
CCFL (Cold Cathode Fluorescent Lamp)
Adapter
TV-tuner
36. DVI-D ____ link cable.
External
Interlacing
Aspect ratio
Dual
37. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
640 480
Degauss
D-sub DVI-A
CRT native
38. 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
LED (Light Emitting Diode)
Physical effective
Dead
Color shift
39. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
VA (Vertical Alignment)
Brighter
Dual
D-sub
40. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Viewing angle
Video card
G2G (grey-to-grey - or GTG)
1400 1050
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
DVI-D (digital video-digital)
Single
F-type
1600 1200
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
D-sub DVI-A
1600 1200
CRT native
1280 1024
43. 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
D-sub connector
Shadow mask
External
IPS (In Plane Switching)
44. ____ 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.
Analog CRT monitor
LCD
Flat displays
1600 1200
45. The D-sub connector on a video card provides....
720p 1080i
Analog output
Static
Shadow mask
46. 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.
Converter box
TFT (thin film transistor)
Contrast ratio
Screen
47. 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.
Single
VN (Twisted Nematic)
800 600
Progressive scanning
48. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Static
Dot pitch
Single
VA (Vertical Alignment)
49. 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.
Backlight
IPS (In Plane Switching)
Degauss
Response time
50. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
1600 1200
both video and audio input
30 99
Digital