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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 ____ 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
DB-15
Aspect ratio
Screen
Viewing angle
2. 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.
DVI HDMI
VN (Twisted Nematic)
Converter box
Aperture grill
3. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
DMS-59
Dual link
DVI-I DVI-D
HDMI (High-Definition Multimedia Interface)
4. Monitor size is typically described using a ____ measurement.
Flat displays
Refresh
Aperture grill
Diagonal
5. 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
Composite video
Response time
CCFL (Cold Cathode Fluorescent Lamp)
DisplayPort
6. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Dual
G2G (grey-to-grey - or GTG)
Response time
2048 1536
7. You can connect analog CRT monitors to a video card with a...
Single link
Brightness
D-sub connector
Viewing angle
8. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Converter
Pixel pitch
Aperture grill
D-sub connector
9. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Static
4:3
Normal
Screen
10. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Same cable
LCD monitor that accepts an analog connection
Diagonal
Brighter
11. 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.
Better
Widescreen
Dual
1600 1200
12. The HDTV connector uses a ____-pin mini-din cable.
7
CRT
Screen
2048 1536
13. 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.
CRT native
Widescreen
DVI-I (digital video-integrated)
Dead pixel
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
IPS (In Plane Switching)
Resolution
Dual
1152 864
15. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Brighter
Response time
1400 1050
Resolution
16. 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.
6
1280x720 1920x1080
Aperture grill
Analog CRT monitor
17. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
DVI-D (digital video-digital)
VA (Vertical Alignment)
DVI-A (digital video-analog)
Utilities
18. 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.
F-type
D-sub
6
Better
19. The ____ is the ratio of the width and the height.
Laptop
Digital
Aspect ratio
16:9
20. ____ 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)
Converter box
1920 1200
Shadow mask
21. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
1600 1200
Return policy
CRT native
4:3
22. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Widescreen
Response time
VA (Vertical Alignment)
DVI-A connection
23. You can connect an analog CRT or LCD monitor to a video card with a DVI-I connector. This requires a cable with a ____ connection on one end and a ____ connection on the other end.
D-sub DVI-A
Brighter
Response time
TFT (thin film transistor)
24. 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.
Normal
Debris
perture grill
CRT
25. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
both video and audio input
Normal
4
26. You can connect analog CRT monitors to a video card with a...
Better
Backlight
D-sub connector
1600 1200
27. 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.
640 480
Brightness
1152 864
Dead
28. Pressing lightly on the ____ may revive the pixel.
Resolution
Aperture grill
DVI-D (digital video-digital)
Screen
29. 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)
DVI-I (digital video-integrated)
Progressive scanning
720p 1080i
30. 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.
30 99
Degauss
Utilities
Video card
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Utilities
6
LCD monitor that accepts an analog connection
32. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
DVI-D (digital video-digital)
HDCP
Physical effective
33. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
CRT
1600 1200
VA (Vertical Alignment)
LED (Light Emitting Diode)
34. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Dual
1920 1080
Response time
Backlight
35. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Viewing angle
Dual
800 600
Speakers USB
36. ____ 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).
Same cable
Dual link
IPS (In Plane Switching)
1920 1080
37. 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.
4:3
CCFL (Cold Cathode Fluorescent Lamp)
Analog output
DVI-A connection
38. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Higher voltage
LCD monitor that accepts an analog connection
Resolution
16:9
39. 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
Dual link
LED (Light Emitting Diode)
640 480
16:9
40. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Speakers USB
Degauss
1920 1200
Viewing angle
41. ____ 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.
IPS (In Plane Switching)
Single source
Brightness
1920 1200
42. 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
640 480
Resolution
Contrast ratio
16:9
43. As with composite and s-video - audio must be supplied to the device...
Separately
RCA
D-sub
TV-tuner
44. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
perture grill
LCD monitor that accepts an analog connection
CRT
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
720p 1080i
HDCP
720p 1080i
46. 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.
Higher sharper
perture grill
CRT
DVI-A (digital video-analog)
47. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Single link
DVI-D (digital video-digital)
Better
G2G (grey-to-grey - or GTG)
48. ____ 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.
6
CRT
Brightness
DVI-D (digital video-digital)
49. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
D-sub
TFT (thin film transistor)
TV-tuner
Color shift
50. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
1920 1200
IPS (In Plane Switching)
Higher sharper
Response time