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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. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
LCD monitor that accepts an analog connection
1680 1050
Y UV
2. 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.
Single link
Resolution
DVI-A connection
Single link
3. ____ 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.
4
IPS (In Plane Switching)
Brightness
2048 1536
4. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Worse
Single link
CRT
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.
Brighter
Splits the signal
30 99
Utilities
6. 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
D-sub connector
DVI-D (digital video-digital)
Degauss
Brightness
7. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
DVI-I (digital video-integrated)
Color shift
Dead
8. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Physical effective
Response time
Progressive scanning
9. 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.
D-sub DVI-A
perture grill
Response time
Dynamic
10. 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.
Dead
DVI-A (digital video-analog)
RCA
IPS (In Plane Switching)
11. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Composite video
D-sub
VA (Vertical Alignment)
Analog output
12. The ____ is the ratio of the width and the height.
Return policy
VA (Vertical Alignment)
Aspect ratio
Widescreen
13. ____ 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).
1400 1050
Aperture grill
Dual link
Shadow mask
14. ____ 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.
LED (Light Emitting Diode)
DVI-I DVI-D
IPS (In Plane Switching)
Brightness
15. The ____ is the ratio of the width and the height.
Interlacing
Aspect ratio
DVI HDMI
4
16. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
6
Return policy
IPS (In Plane Switching)
Aperture grill
17. Pressing lightly on the ____ may revive the pixel.
Screen
Converter
External
Dual
18. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
IPS (In Plane Switching)
LED (Light Emitting Diode)
Pixel pitch
19. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
LED (Light Emitting Diode)
Brightness
Higher sharper
20. The HDTV connector uses a ____-pin mini-din cable.
CRT
1600 1200
16:9
7
21. TN panels have ____ viewing angles and contrast ratios than the other display types.
External
Worse
1680 1050
CRT
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Return policy
1400 1050
Pixels
DisplayPort
23. DVI-D ____ link cable.
Dual
Analog
Response time
Aspect ratio
24. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Backlight
CRT
TFT (thin film transistor)
Resolution
25. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
DVI-D (digital video-digital)
1280 1024
CRT
CRT
26. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
DVI-D (digital video-digital)
Aperture grill
DVI-A (digital video-analog)
Normal
27. 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.
Return policy
Aperture grill
Physical effective
D-sub connector
28. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Interlacing
Progressive scanning
Progressive scanning
29. There are ____ to identify and possibly fix dead pixels on a monitor.
1920 1080
Utilities
Higher sharper
Pixel pitch
30. 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
Speakers USB
Better
Color shift
31. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
DVI-D (digital video-digital)
Composite video
Widescreen
CRT
32. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Better
Higher sharper
Contrast ratio
640 480
33. 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.
Refresh
Backlight
DMS-59
Contrast ratio
34. ____ cable and female port.
Dual
Aspect ratio
Backlight
S-video
35. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
analog digital
2048 1536
Resolution
CRT
36. 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
1680 1050
Composite
Progressive scanning
37. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
perture grill
TFT (thin film transistor)
Brightness
Interlacing
38. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
DVI-A (digital video-analog)
RCA
Better
LCD monitor that accepts an analog connection
39. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is
Composite
External
Degauss
Dual
40. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
1920 1200
Resolution
Brighter
Dot pitch
41. 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
1680 1050
LED (Light Emitting Diode)
Dynamic
both video and audio input
42. 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
Degauss
Better
LED (Light Emitting Diode)
Debris
43. ____ 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
TFT (thin film transistor)
2048 1536
Interlacing
44. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
DisplayPort
1400 1050
CRT
6
45. 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.
External
Refresh
Separately
External
46. 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 ____.
S-video
1280x720 1920x1080
Static
Dual link
47. 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-D (digital video-digital)
IPS (In Plane Switching)
VN (Twisted Nematic)
Brightness
48. You can connect analog CRT monitors to a video card with a...
4:3
Shadow mask
Response time
D-sub connector
49. ____ on the screen can be mistaken for a dead pixel.
720p 1080i
4:3
Debris
Speakers USB
50. ____ panels are the most expensive type of panel - and could be difficult to find.
Shadow mask
IPS (In Plane Switching)
1920 1080
Aspect ratio