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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. SVGA = ____ x ____.
CCFL (Cold Cathode Fluorescent Lamp)
800 600
Higher sharper
Color shift
2. 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.
2048 1536
perture grill
CRT native
Converter
3. Pressing lightly on the ____ may revive the pixel.
7
Screen
Interlacing
CRT
4. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Flat displays
640 480
Brighter
Return policy
5. 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.
analog digital
1280x720 1920x1080
Analog CRT monitor
1680 1050
6. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
800 600
CCFL (Cold Cathode Fluorescent Lamp)
4:3
Shadow mask
7. 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 ____.
Degauss
6
Adapter
1600 1200
8. 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
F-type
IPS (In Plane Switching)
G2G (grey-to-grey - or GTG)
9. 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)
CRT
Splits the signal
Refresh
10. ____ 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)
Dynamic
Contrast ratio
perture grill
11. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Utilities
Aperture grill
LCD
12. ____ on the screen can be mistaken for a dead pixel.
IPS (In Plane Switching)
720p 1080i
IPS (In Plane Switching)
Debris
13. 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
CRT native
Dynamic
1680 1050
DMS-59
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.
Color shift
Normal
Better
Brightness
15. Additional monitor features include built in ____ or ____ hub.
Speakers USB
1280 1024
Higher sharper
1920 1080
16. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
1920 1080
both video and audio input
Brighter
Dot pitch
17. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
1680 1050
HDTV
Physical effective
Pixel pitch
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
800 600
Backlight
4:3
640 480
19. 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.
1680 1050
External
DB-15
30 99
20. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
DisplayPort
TFT (thin film transistor)
Video card
IPS (In Plane Switching)
21. 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.
6
perture grill
Diagonal
Interlacing
22. Additional monitor features include built in ____ or ____ hub.
Speakers USB
DisplayPort
Return policy
CRT
23. 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
TFT (thin film transistor)
DB-15
LED (Light Emitting Diode)
CRT
24. 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
4:3
CRT
DVI-A connection
25. ____ 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).
Resolution
Dual link
HDMI (High-Definition Multimedia Interface)
LED (Light Emitting Diode)
26. 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.
16:9
CRT
U V color
DVI-A connection
27. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Pixel pitch
Physical effective
1920 1080
DisplayPort
28. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Normal
Interlacing
Backlight
29. 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
Response time
IPS (In Plane Switching)
Shadow mask
1280 1024
30. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
Color shift
U V color
Analog
Physical effective
31. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Debris
LCD
Interlacing
30 99
32. 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.
Worse
Interlacing
VA (Vertical Alignment)
1280 1024
33. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Pixel pitch
Diagonal
IPS (In Plane Switching)
Single link
34. 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.
Response time
1920 1080
6
Degauss
35. 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.
TFT (thin film transistor)
Resolution
CCFL (Cold Cathode Fluorescent Lamp)
CRT
36. A ____ connection on a video card provides both analog and digital output.
CCFL (Cold Cathode Fluorescent Lamp)
TFT (thin film transistor)
Pixels
DVI-I (digital video-integrated)
37. Screen size is often expressed in two different measures - the ____ screen size (also called the actual size) and the ____ viewing size that identifies the largest image size that can be displayed.
Composite
1920 1200
Physical effective
1280 1024
38. 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.
D-sub DVI-A
CCFL (Cold Cathode Fluorescent Lamp)
Video card
1680 1050
39. A DVI-A (digital video-analog) is used for an ____________. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.
Analog CRT monitor
Aperture grill
RCA
Dynamic
40. 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
Return policy
LED (Light Emitting Diode)
16:9
Response time
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Converter box
Better
Shadow mask
42. ____ 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.
LED (Light Emitting Diode)
IPS (In Plane Switching)
640 480
1600 1200
43. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Aperture grill
Better
CRT
Screen
44. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Worse
CRT
Screen
45. ____ 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)
Static
CCFL (Cold Cathode Fluorescent Lamp)
Composite video
46. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
LED (Light Emitting Diode)
Speakers USB
720p 1080i
2048 1536
47. TN panels have ____ viewing angles and contrast ratios than the other display types.
Response time
Worse
Better
4
48. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.
Viewing angle
Converter
1920 1080
Separately
49. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Backlight
16:9
Better
Single link
50. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
1280 1024
LED (Light Emitting Diode)
VA (Vertical Alignment)
Normal