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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
:
certifications
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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 ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Resolution
Pixel pitch
S-video
Response time
2. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
2048 1536
Degauss
Return policy
Progressive scanning
3. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Analog CRT monitor
Widescreen
TFT (thin film transistor)
Aperture grill
4. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
640 480
Shadow mask
Single link
HDCP
5. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
DVI-D (digital video-digital)
640 480
both video and audio input
Progressive scanning
6. 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 native
Static
LED (Light Emitting Diode)
Contrast ratio
7. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
IPS (In Plane Switching)
Resolution
Resolution
8. 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.
Dual
DB-15
DVI-A connection
Aspect ratio
9. 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.
Dynamic
30 99
LED (Light Emitting Diode)
DVI-A (digital video-analog)
10. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Dot pitch
1600 1200
DVI-A connection
CRT native
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
7
800 600
CRT
TFT (thin film transistor)
12. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Screen
Brighter
Interlacing
IPS (In Plane Switching)
13. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
TFT (thin film transistor)
Progressive scanning
Dot pitch
14. 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
1152 864
Analog output
Color shift
15. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
1680 1050
VA (Vertical Alignment)
CCFL (Cold Cathode Fluorescent Lamp)
Single source
16. 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
DVI-D (digital video-digital)
CRT
1152 864
LED (Light Emitting Diode)
17. 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
G2G (grey-to-grey - or GTG)
Viewing angle
perture grill
800 600
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
IPS (In Plane Switching)
640 480
U V color
800 600
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Higher sharper
Dead
1400 1050
1600 1200
20. ____ panels are the most expensive type of panel - and could be difficult to find.
Single
IPS (In Plane Switching)
Flat displays
640 480
21. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Contrast ratio
TFT (thin film transistor)
CRT native
Single source
22. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Response time
CRT native
Y brightness
Video card
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1920 1200
Flat displays
1152 864
DVI-A connection
24. Monitor size is typically described using a ____ measurement.
Diagonal
1280x720 1920x1080
Normal
CRT
25. DisplayPort does not use ______ than DVI and HDMI.
Speakers USB
Higher voltage
CRT native
VN (Twisted Nematic)
26. TN panels have ____ viewing angles and contrast ratios than the other display types.
Video card
Worse
Static
DVI-D (digital video-digital)
27. 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 ____.
1280 1024
Adapter
LED (Light Emitting Diode)
LED (Light Emitting Diode)
28. 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.
1024 768
DVI-A connection
Digital
Laptop
29. 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
Brighter
IPS (In Plane Switching)
1680 1050
Resolution
30. The ____ rate is the amount of time (measured in Hz) required for the CRT's electron beam to paint the screen from top to bottom. Increasing the rate reduces screen flicker.
Converter box
Single link
Refresh
720p 1080i
31. 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.
DVI-D (digital video-digital)
640 480
30 99
Resolution
32. ____ female port.
DVI HDMI
Converter box
DVI-D (digital video-digital)
Progressive scanning
33. The ____ contrast ratio indicates the difference that can be displayed at the same time.
1600 1200
CRT native
IPS (In Plane Switching)
Static
34. If you watch HDTV content (DVD movies) on a 16:10 monitor - the display will either be stretched slightly or have black bars (areas without video content) on the top and the bottom. If you want to optimize DVD viewing from your computer - consider pu
16:9
1400 1050
Pixels
Resolution
35. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Video card
VA (Vertical Alignment)
DVI-D (digital video-digital)
IPS (In Plane Switching)
36. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Resolution
720p 1080i
Interlacing
DVI-A (digital video-analog)
37. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Video card
Higher sharper
Analog
LED (Light Emitting Diode)
38. 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
640 480
Single source
Degauss
Brightness
39. 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.
4:3
Resolution
30 99
External
40. 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.
Worse
Color shift
Converter box
Physical effective
41. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LCD monitor that accepts an analog connection
1600 1200
Dot pitch
CRT
42. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Degauss
DVI-D (digital video-digital)
Backlight
2048 1536
43. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
16:9
Widescreen
1152 864
44. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dead pixel
Dual link
Degauss
Resolution
45. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
DisplayPort
D-sub DVI-A
U V color
D-sub connector
46. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
4:3
Speakers USB
1400 1050
CRT
47. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
DB-15
Dot pitch
30 99
Pixel pitch
48. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
Y brightness
1152 864
Widescreen
LCD
49. You can connect analog CRT monitors to a video card with a...
D-sub connector
HDCP
Worse
Pixel pitch
50. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
16:9
Flat displays
Speakers USB
Dot pitch