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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 smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
640 480
HDMI (High-Definition Multimedia Interface)
2048 1536
Higher sharper
2. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
640 480
Video card
Physical effective
Dead pixel
3. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Refresh
Debris
Dual
Interlacing
4. 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
1024 768
Static
Degauss
5. 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.
7
F-type
Dead
Worse
6. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Response time
Pixels
TFT (thin film transistor)
1152 864
7. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Physical effective
Dynamic
DB-15
Backlight
8. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dynamic
Dot pitch
Widescreen
CRT
9. 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.
Dot pitch
IPS (In Plane Switching)
DB-15
Laptop
10. 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
Resolution
1920 1080
1600 1200
LED (Light Emitting Diode)
11. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Dual
1152 864
Screen
12. 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.
D-sub
30 99
6
Aspect ratio
13. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
1400 1050
Backlight
1920 1080
Response time
14. 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).
Physical effective
CCFL (Cold Cathode Fluorescent Lamp)
1280 1024
DB-15
15. 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.
Resolution
640 480
Aperture grill
Interlacing
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
perture grill
IPS (In Plane Switching)
1152 864
720p 1080i
17. TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.
DVI-A (digital video-analog)
VA (Vertical Alignment)
6
IPS (In Plane Switching)
18. 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.
Better
1920 1200
Dual
Single source
19. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
perture grill
F-type
U V color
1920 1080
20. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
DVI-D (digital video-digital)
1400 1050
Converter box
TFT (thin film transistor)
21. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
4:3
800 600
Speakers USB
22. 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.
Analog CRT monitor
CCFL (Cold Cathode Fluorescent Lamp)
Dot pitch
Separately
23. ____ (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.
Utilities
Brightness
720p 1080i
Flat displays
24. TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.
perture grill
30 99
1280 1024
6
25. 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.
Speakers USB
CRT
Refresh
Resolution
26. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
IPS (In Plane Switching)
DVI-D (digital video-digital)
Refresh
Video card
27. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Converter
Debris
Laptop
Brighter
28. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Single link
both video and audio input
Resolution
Shadow mask
29. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Backlight
Dead pixel
Pixel pitch
TFT (thin film transistor)
30. 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.
Return policy
Interlacing
Flat displays
Response time
31. 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
Dual link
Composite
DVI-D (digital video-digital)
32. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Progressive scanning
CRT
Dual
16:9
33. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Progressive scanning
Analog CRT monitor
Worse
HDCP
34. 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
Y UV
DVI-A (digital video-analog)
Shadow mask
Degauss
35. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.
4
Resolution
CRT
Composite
36. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Viewing angle
Single link
Worse
Speakers USB
37. 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.
F-type
DVI-A (digital video-analog)
LED (Light Emitting Diode)
CRT
38. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Higher sharper
DVI-I (digital video-integrated)
Static
both video and audio input
39. 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.
VN (Twisted Nematic)
Shadow mask
4
Contrast ratio
40. 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.
G2G (grey-to-grey - or GTG)
perture grill
TFT (thin film transistor)
Widescreen
41. Additional monitor features include built in ____ or ____ hub.
DVI-A connection
DB-15
Speakers USB
Dual
42. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
30 99
IPS (In Plane Switching)
both video and audio input
CRT native
43. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Shadow mask
Aspect ratio
Progressive scanning
Flat displays
44. 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.
both video and audio input
Dot pitch
Analog CRT monitor
Color shift
45. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
IPS (In Plane Switching)
VN (Twisted Nematic)
Static
46. ____ 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)
External
Refresh
Contrast ratio
47. 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
TFT (thin film transistor)
both video and audio input
640 480
Degauss
48. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
IPS (In Plane Switching)
Video card
Pixel pitch
Aspect ratio
49. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Normal
Brighter
1600 1200
DB-15
50. 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
16:9
1280 1024
Physical effective
Viewing angle