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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 ____ is the ratio of the width and the height.
Degauss
Aspect ratio
Viewing angle
2048 1536
2. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Static
Shadow mask
640 480
VN (Twisted Nematic)
3. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
DisplayPort
HDTV
VN (Twisted Nematic)
VA (Vertical Alignment)
4. Monitor size is typically described using a ____ measurement.
LCD monitor that accepts an analog connection
Diagonal
640 480
Pixel pitch
5. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
16:9
Brighter
D-sub connector
Higher sharper
6. TN panels have ____ viewing angles and contrast ratios than the other display types.
Aspect ratio
IPS (In Plane Switching)
Color shift
Worse
7. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
VN (Twisted Nematic)
1600 1200
Shadow mask
720p 1080i
8. 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)
IPS (In Plane Switching)
DVI-D (digital video-digital)
Resolution
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.
LCD monitor that accepts an analog connection
Resolution
1024 768
CCFL (Cold Cathode Fluorescent Lamp)
10. 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.
Speakers USB
Aperture grill
800 600
perture grill
11. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
D-sub connector
HDCP
6
CRT
12. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
D-sub
Video card
Same cable
DVI-D (digital video-digital)
13. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
Digital
analog digital
RCA
U V color
14. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Dynamic
30 99
Dual link
CRT
15. 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.
Speakers USB
Higher sharper
perture grill
Degauss
16. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
1920 1200
Shadow mask
HDTV
17. 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
LCD
Interlacing
720p 1080i
Shadow mask
18. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Speakers USB
Composite
CRT
19. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
D-sub connector
IPS (In Plane Switching)
1920 1200
20. 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.
Contrast ratio
VN (Twisted Nematic)
CRT
DVI-D (digital video-digital)
21. 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
Worse
640 480
LED (Light Emitting Diode)
1600 1200
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1680 1050
1400 1050
6
Color shift
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.
IPS (In Plane Switching)
Interlacing
Flat displays
Backlight
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Contrast ratio
Dead
640 480
Response time
25. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
1400 1050
Response time
Video card
26. 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.
CCFL (Cold Cathode Fluorescent Lamp)
1280 1024
Response time
VN (Twisted Nematic)
27. 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.
Physical effective
Video card
Progressive scanning
External
28. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
1400 1050
Refresh
Physical effective
Pixel pitch
29. 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
CRT
DB-15
Viewing angle
Dynamic
30. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
DVI-A connection
2048 1536
Separately
Dynamic
31. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Brighter
Laptop
Aspect ratio
Resolution
32. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
7
Composite video
CRT
33. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Contrast ratio
800 600
Degauss
4:3
34. 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 ____.
Progressive scanning
1280x720 1920x1080
Response time
Pixels
35. ____ 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.
Diagonal
Widescreen
1400 1050
Brightness
36. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Interlacing
DVI-D (digital video-digital)
640 480
LCD monitor that accepts an analog connection
37. ____ on the screen can be mistaken for a dead pixel.
Degauss
CRT native
DVI-I (digital video-integrated)
Debris
38. 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.
1280x720 1920x1080
IPS (In Plane Switching)
DVI-A connection
Flat displays
39. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Shadow mask
800 600
Composite
DVI-D (digital video-digital)
40. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
F-type
720p 1080i
Progressive scanning
CRT
41. ____ 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.
IPS (In Plane Switching)
Utilities
1024 768
Diagonal
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Dual
G2G (grey-to-grey - or GTG)
analog digital
1152 864
43. 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
1400 1050
IPS (In Plane Switching)
LED (Light Emitting Diode)
Pixels
44. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
4:3
DB-15
Flat displays
TFT (thin film transistor)
45. ____ on the screen can be mistaken for a dead pixel.
Dot pitch
Debris
Contrast ratio
DVI-D (digital video-digital)
46. 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.
1920 1080
DVI-A connection
perture grill
Progressive scanning
47. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
CRT
Dead
LCD monitor that accepts an analog connection
Dynamic
48. ____ 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
D-sub DVI-A
Pixel pitch
16:9
49. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
G2G (grey-to-grey - or GTG)
IPS (In Plane Switching)
D-sub connector
LED (Light Emitting Diode)
50. 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
1920 1200
D-sub
Static
16:9