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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. 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.
Color shift
CCFL (Cold Cathode Fluorescent Lamp)
Speakers USB
LCD
2. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
1280x720 1920x1080
Video card
Laptop
Dead pixel
3. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Response time
Aperture grill
Brighter
Normal
4. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Brightness
CCFL (Cold Cathode Fluorescent Lamp)
Normal
5. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Widescreen
Pixel pitch
Dot pitch
1680 1050
6. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
DVI-A (digital video-analog)
4
Physical effective
7. 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.
G2G (grey-to-grey - or GTG)
DB-15
16:9
Dead pixel
8. 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
IPS (In Plane Switching)
Single link
S-video
9. 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.
Dead
IPS (In Plane Switching)
Contrast ratio
Interlacing
10. TN panels have ____ viewing angles and contrast ratios than the other display types.
Static
Better
Worse
1680 1050
11. 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.
6
TFT (thin film transistor)
External
F-type
12. 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.
Physical effective
Refresh
IPS (In Plane Switching)
4:3
13. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
TFT (thin film transistor)
1280x720 1920x1080
DVI-I DVI-D
Dot pitch
14. ____ on the screen can be mistaken for a dead pixel.
LCD
Interlacing
Brightness
Debris
15. The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
1280x720 1920x1080
Contrast ratio
DVI-I (digital video-integrated)
Flat displays
16. 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
CRT
IPS (In Plane Switching)
Dead pixel
Shadow mask
17. Monitor size is typically described using a ____ measurement.
DVI-A (digital video-analog)
1280x720 1920x1080
Diagonal
Resolution
18. ____ 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).
1152 864
Backlight
Return policy
Dual link
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
LED (Light Emitting Diode)
Y UV
1400 1050
Single source
20. 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.
Viewing angle
Dead
Video card
DVI-A (digital video-analog)
21. Additional monitor features include built in ____ or ____ hub.
HDMI (High-Definition Multimedia Interface)
Speakers USB
Widescreen
LCD monitor that accepts an analog connection
22. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
RCA
CRT
DVI-A connection
Higher sharper
23. The LCD ____ provides the light that makes the individual pixels visible. The light itself is actually along the top - bottom - and/or sides - with a special layer that reflects the light throughout the display.
Contrast ratio
IPS (In Plane Switching)
Backlight
Same cable
24. The HDTV connector uses a ____-pin mini-din cable.
1600 1200
7
HDCP
Video card
25. 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.
DisplayPort
HDCP
Single source
CRT native
26. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
4:3
720p 1080i
VA (Vertical Alignment)
Contrast ratio
27. 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.
1400 1050
Dual
Higher voltage
VN (Twisted Nematic)
28. ____ 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.
Speakers USB
DVI HDMI
1680 1050
Analog CRT monitor
29. ____ 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.
CCFL (Cold Cathode Fluorescent Lamp)
CRT
Viewing angle
Composite
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Pixel pitch
800 600
TFT (thin film transistor)
External
31. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
Speakers USB
Dead pixel
CCFL (Cold Cathode Fluorescent Lamp)
32. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
DB-15
D-sub
30 99
2048 1536
33. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
LCD
1400 1050
TFT (thin film transistor)
1920 1200
34. ____ 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.
D-sub
1280 1024
LCD
Shadow mask
35. A ____ connection on a video card provides both analog and digital output.
DVI-I (digital video-integrated)
Physical effective
Progressive scanning
VN (Twisted Nematic)
36. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Better
Progressive scanning
TFT (thin film transistor)
Backlight
37. 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.
Flat displays
VN (Twisted Nematic)
Single link
Dead pixel
38. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Composite video
Brightness
DVI-A connection
G2G (grey-to-grey - or GTG)
39. ____ 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.
LCD monitor that accepts an analog connection
CRT native
Contrast ratio
IPS (In Plane Switching)
40. 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 ____.
Higher sharper
analog digital
1280x720 1920x1080
LED (Light Emitting Diode)
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Dot pitch
Viewing angle
Dead pixel
1920 1200
42. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
CRT
Higher voltage
IPS (In Plane Switching)
4:3
43. 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
Contrast ratio
16:9
30 99
Viewing angle
44. 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.
Contrast ratio
Video card
F-type
IPS (In Plane Switching)
45. 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
Normal
16:9
IPS (In Plane Switching)
Composite
46. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Pixel pitch
30 99
Dual
47. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Dead
DVI-I DVI-D
1280x720 1920x1080
Normal
48. Having a few dead ____ can be common on many displays.
VN (Twisted Nematic)
D-sub
Pixels
16:9
49. You can connect analog CRT monitors to a video card with a...
Response time
DVI-D (digital video-digital)
CRT
D-sub connector
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
7
Flat displays
1920 1200
Dead pixel