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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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Subjects
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certifications
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comptia-a-+
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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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. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
IPS (In Plane Switching)
Composite video
VN (Twisted Nematic)
Response time
2. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
VN (Twisted Nematic)
perture grill
1400 1050
DVI-A connection
3. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Return policy
Normal
CRT
CRT
4. 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 ____.
Dot pitch
CRT
Composite video
1280x720 1920x1080
5. 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.
Screen
Diagonal
6
Aperture grill
6. 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.
Backlight
DVI-D (digital video-digital)
DVI-A connection
G2G (grey-to-grey - or GTG)
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.
perture grill
Analog
DB-15
Contrast ratio
8. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
1280x720 1920x1080
640 480
Dot pitch
Response time
9. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
LED (Light Emitting Diode)
4:3
Worse
Color shift
10. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Single link
Interlacing
Speakers USB
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
Analog output
HDCP
Dynamic
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Physical effective
DVI-D (digital video-digital)
800 600
2048 1536
13. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
CRT
Same cable
Refresh
Aperture grill
14. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
DVI-A (digital video-analog)
CCFL (Cold Cathode Fluorescent Lamp)
Video card
Single link
15. A ____ connection on a video card provides both analog and digital output.
1600 1200
LED (Light Emitting Diode)
Composite
DVI-I (digital video-integrated)
16. ____ 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 connector
IPS (In Plane Switching)
TFT (thin film transistor)
Adapter
17. 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
both video and audio input
IPS (In Plane Switching)
Screen
18. 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
Higher voltage
LED (Light Emitting Diode)
analog digital
19. The ____ is the ratio of the width and the height.
Aspect ratio
Dead pixel
Response time
Analog output
20. If you are concerned about dead pixels - review the ____ before purchasing.
Video card
Return policy
4:3
LCD
21. ____ 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)
Response time
Widescreen
HDCP
22. 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
Response time
Response time
DVI-A connection
23. 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.
Higher sharper
Contrast ratio
Interlacing
720p 1080i
24. 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
Progressive scanning
Analog output
Flat displays
25. The ____ is the ratio of the width and the height.
Aspect ratio
LED (Light Emitting Diode)
640 480
Pixel pitch
26. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
640 480
VA (Vertical Alignment)
Analog CRT monitor
CRT native
27. 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.
Resolution
Dot pitch
Same cable
CCFL (Cold Cathode Fluorescent Lamp)
28. 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.
Flat displays
Pixel pitch
Resolution
Shadow mask
29. 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.
Analog CRT monitor
Aperture grill
1680 1050
TFT (thin film transistor)
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
1152 864
30 99
Degauss
31. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Widescreen
CRT
IPS (In Plane Switching)
32. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.
VA (Vertical Alignment)
IPS (In Plane Switching)
Speakers USB
Splits the signal
33. 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
IPS (In Plane Switching)
30 99
Same cable
34. ____ (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.
720p 1080i
Flat displays
LED (Light Emitting Diode)
6
35. Pressing lightly on the ____ may revive the pixel.
Brighter
IPS (In Plane Switching)
Screen
IPS (In Plane Switching)
36. ____ female port.
DVI-A connection
Color shift
DVI-D (digital video-digital)
6
37. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.
Refresh
DVI-A connection
Adapter
Diagonal
38. 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
Color shift
Brighter
DVI-D (digital video-digital)
39. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
perture grill
Response time
800 600
Brighter
40. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
RCA
Dual
D-sub
4:3
41. 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.
720p 1080i
1152 864
Dot pitch
6
42. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
DVI-D (digital video-digital)
1400 1050
G2G (grey-to-grey - or GTG)
Physical effective
43. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
Interlacing
Pixel pitch
F-type
S-video
44. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
U V color
Worse
1600 1200
Normal
45. 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.
Resolution
analog digital
D-sub connector
7
46. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
6
1152 864
Pixels
47. Pressing lightly on the ____ may revive the pixel.
Splits the signal
Utilities
Screen
Resolution
48. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
VN (Twisted Nematic)
Contrast ratio
6
49. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
1680 1050
Dynamic
Pixel pitch
Screen
50. ____ 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.
Brightness
1152 864
DVI-D (digital video-digital)
LCD
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