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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. SXGA+ = ____ x ____.
Aspect ratio
1400 1050
Analog output
1600 1200
2. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
Higher sharper
U V color
Converter box
3. 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.
perture grill
TFT (thin film transistor)
Progressive scanning
Brighter
4. ____ 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
800 600
Higher voltage
Resolution
5. Additional monitor features include built in ____ or ____ hub.
16:9
Speakers USB
Composite
Resolution
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
DVI-I (digital video-integrated)
CRT
LED (Light Emitting Diode)
7. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Digital
Interlacing
Dot pitch
Video card
8. 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.
D-sub
800 600
Refresh
Color shift
9. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Resolution
1680 1050
Degauss
Dynamic
10. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Brightness
VA (Vertical Alignment)
16:9
Laptop
11. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
DVI-D (digital video-digital)
Single link
720p 1080i
DVI-A (digital video-analog)
12. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA = ____ x ____ (5:4 aspect ratio).
1280 1024
LCD
Adapter
Shadow mask
13. 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.
Dual
DVI-D (digital video-digital)
Response time
TFT (thin film transistor)
14. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
DMS-59
Better
1400 1050
Flat displays
15. 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
Shadow mask
DVI-D (digital video-digital)
1680 1050
Progressive scanning
16. 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.
Normal
LCD monitor that accepts an analog connection
Speakers USB
DB-15
17. 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)
Physical effective
Higher sharper
CRT
18. 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.
Video card
1152 864
IPS (In Plane Switching)
D-sub DVI-A
19. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
IPS (In Plane Switching)
Color shift
perture grill
1024 768
20. ____ panels are the most expensive type of panel - and could be difficult to find.
DVI-D (digital video-digital)
Response time
IPS (In Plane Switching)
F-type
21. The ____ contrast ratio indicates the difference that can be displayed at the same time.
U V color
Static
1280x720 1920x1080
Worse
22. There are ____ to identify and possibly fix dead pixels on a monitor.
VA (Vertical Alignment)
Utilities
Resolution
Normal
23. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Interlacing
Worse
DVI-A connection
Digital
24. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
CCFL (Cold Cathode Fluorescent Lamp)
Response time
Flat displays
25. 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
DVI-A (digital video-analog)
Shadow mask
Response time
26. If you are concerned about dead pixels - review the ____ before purchasing.
Interlacing
Widescreen
Return policy
D-sub DVI-A
27. 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 ____.
Adapter
7
Normal
Dynamic
28. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Analog
Dynamic
Normal
4:3
29. 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.
Static
CRT
Dual
Contrast ratio
30. Having a few dead ____ can be common on many displays.
Pixels
Brighter
Dual link
1680 1050
31. 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
Shadow mask
1680 1050
Response time
Debris
32. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
LCD monitor that accepts an analog connection
CRT
Dot pitch
both video and audio input
33. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CCFL (Cold Cathode Fluorescent Lamp)
CRT
External
Screen
34. Do not confuse video in - which can be supplied by composite - s-video - or HDTV connectors - with ____ capabilities. The built-in tuner means that the card or monitor itself has the ability to accept multi-channel input and change the display by cha
TV-tuner
Single link
Dual link
Contrast ratio
35. Additional monitor features include built in ____ or ____ hub.
TFT (thin film transistor)
1680 1050
Speakers USB
DVI HDMI
36. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Dynamic
Interlacing
1600 1200
DVI-D (digital video-digital)
37. 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.
Aperture grill
Converter
Resolution
1920 1200
38. ____ panels are the most expensive type of panel - and could be difficult to find.
Debris
IPS (In Plane Switching)
CRT native
DVI-I DVI-D
39. 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
Higher sharper
Viewing angle
DVI HDMI
Progressive scanning
40. 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 ____.
D-sub connector
Response time
Dual
1280x720 1920x1080
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
D-sub
1600 1200
Aperture grill
640 480
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 ____.
CRT
HDCP
6
1280x720 1920x1080
43. 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.
Physical effective
Pixels
Resolution
800 600
44. 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.
Degauss
30 99
D-sub connector
Better
45. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Degauss
External
Normal
Video card
46. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
TFT (thin film transistor)
HDCP
Interlacing
47. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Shadow mask
Brighter
1920 1080
Response time
48. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Contrast ratio
Response time
Debris
Y brightness
49. 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
DVI-A connection
1680 1050
TFT (thin film transistor)
720p 1080i
50. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Utilities
1024 768
CRT
1024 768