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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. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
CRT
Better
DVI-D (digital video-digital)
1600 1200
2. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Aspect ratio
LCD monitor that accepts an analog connection
HDMI (High-Definition Multimedia Interface)
1920 1200
3. 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.
Dual
DVI-D (digital video-digital)
Degauss
Contrast ratio
4. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.
Brighter
Interlacing
720p 1080i
4:3
5. 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.
CRT
30 99
Same cable
F-type
6. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
30 99
Video card
4
D-sub
7. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Resolution
G2G (grey-to-grey - or GTG)
Viewing angle
Flat displays
8. The ____ is the ratio of the width and the height.
1280x720 1920x1080
Aspect ratio
Video card
Viewing angle
9. 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.
Dead
Adapter
Dot pitch
both video and audio input
10. DVI-D ____ link cable.
640 480
640 480
Aspect ratio
Dual
11. 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.
Aperture grill
Normal
LED (Light Emitting Diode)
Backlight
12. 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.
Resolution
Brightness
DVI-I (digital video-integrated)
Converter box
13. Additional monitor features include built in ____ or ____ hub.
Speakers USB
6
Pixel pitch
Dual link
14. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Video card
DVI-I (digital video-integrated)
Better
Composite
15. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
IPS (In Plane Switching)
Dual
Dot pitch
Single link
16. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Response time
4:3
LED (Light Emitting Diode)
17. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
CRT
IPS (In Plane Switching)
Single
Response time
18. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Shadow mask
DVI-A connection
VA (Vertical Alignment)
Better
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
CRT
Pixels
4:3
1600 1200
20. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
F-type
Same cable
DVI-A (digital video-analog)
Response time
21. 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
Color shift
16:9
LCD monitor that accepts an analog connection
1680 1050
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
U V color
DVI-A (digital video-analog)
640 480
S-video
23. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
1400 1050
16:9
LCD
Better
24. 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.
Single
Response time
External
Contrast ratio
25. 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
Pixel pitch
Contrast ratio
4:3
26. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Resolution
External
LCD monitor that accepts an analog connection
Degauss
27. TN panels have ____ viewing angles and contrast ratios than the other display types.
Video card
Dynamic
Static
Worse
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Brightness
CCFL (Cold Cathode Fluorescent Lamp)
1920 1200
Interlacing
29. The ____ is the ratio of the width and the height.
CCFL (Cold Cathode Fluorescent Lamp)
Interlacing
IPS (In Plane Switching)
Aspect ratio
30. There are ____ to identify and possibly fix dead pixels on a monitor.
CRT
Interlacing
Utilities
Interlacing
31. 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.
DB-15
Widescreen
Normal
640 480
32. 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.
640 480
Dead
DVI-A connection
Viewing angle
33. 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.
Resolution
Interlacing
Response time
4:3
34. 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
D-sub connector
LED (Light Emitting Diode)
perture grill
VN (Twisted Nematic)
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Static
1024 768
Dynamic
Contrast ratio
36. 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)
Normal
Higher sharper
Refresh
37. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
Higher voltage
Response time
U V color
38. ____ (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.
16:9
720p 1080i
Dual link
Flat displays
39. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Dynamic
Single
6
40. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
U V color
Degauss
Interlacing
41. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Adapter
LCD
Speakers USB
TFT (thin film transistor)
42. 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 ____.
Speakers USB
1280x720 1920x1080
1680 1050
Refresh
43. 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.
Normal
D-sub
30 99
Normal
44. ____ 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.
DVI-D (digital video-digital)
640 480
Brightness
Video card
45. If you are concerned about dead pixels - review the ____ before purchasing.
Dot pitch
Return policy
Dual
4:3
46. You can connect analog CRT monitors to a video card with a...
LCD monitor that accepts an analog connection
D-sub connector
1680 1050
Utilities
47. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Higher sharper
Aspect ratio
1680 1050
48. 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.
1920 1080
TFT (thin film transistor)
DVI-D (digital video-digital)
CCFL (Cold Cathode Fluorescent Lamp)
49. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Degauss
Single
Converter box
1152 864
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
Dead pixel
Viewing angle
DVI-A connection
1920 1200