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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. 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
Resolution
Dynamic
Speakers USB
Shadow mask
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.
Dead
RCA
perture grill
800 600
3. The HDTV connector uses a ____-pin mini-din cable.
LED (Light Emitting Diode)
Better
Aspect ratio
7
4. ____ on the screen can be mistaken for a dead pixel.
CRT
Dynamic
Debris
1920 1200
5. ____ and ____ are electrically equivalent - meaning that a simple pin-to-pin adapter is all that is required to connect a DVI device to an HDMI port.
HDTV
Dead pixel
640 480
DVI HDMI
6. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
640 480
Higher sharper
both video and audio input
16:9
7. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Backlight
1400 1050
Shadow mask
DVI-D (digital video-digital)
8. 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.
Contrast ratio
RCA
VN (Twisted Nematic)
30 99
9. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
CRT
800 600
Composite
10. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
TFT (thin film transistor)
CRT
Degauss
Pixel pitch
11. ____ video cable and female port.
16:9
Interlacing
Composite
4:3
12. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
Converter box
CRT
VN (Twisted Nematic)
Progressive scanning
13. 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).
Static
Dual
Composite video
1280 1024
14. 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.
1920 1200
CCFL (Cold Cathode Fluorescent Lamp)
Response time
VN (Twisted Nematic)
15. 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.
HDCP
Backlight
Dual
perture grill
16. You can connect analog CRT monitors to a video card with a...
Interlacing
1680 1050
D-sub connector
2048 1536
17. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
D-sub connector
1024 768
Interlacing
1920 1200
18. DVI-D ____ link cable.
D-sub connector
Dual
Resolution
Better
19. 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.
Debris
Better
Interlacing
IPS (In Plane Switching)
20. 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.
Refresh
Dynamic
Worse
800 600
21. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.
Response time
1024 768
Brighter
CRT
22. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
Single link
Dual
Physical effective
23. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Utilities
Contrast ratio
both video and audio input
1152 864
24. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
LED (Light Emitting Diode)
Flat displays
Brightness
25. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
VN (Twisted Nematic)
IPS (In Plane Switching)
Video card
Color shift
26. Having a few dead ____ can be common on many displays.
CRT
Pixels
IPS (In Plane Switching)
Interlacing
27. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
720p 1080i
Color shift
Dual link
Interlacing
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Better
Resolution
1280 1024
29. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
DisplayPort
Dynamic
1600 1200
Analog
30. 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.
Pixels
2048 1536
30 99
Resolution
31. 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 ____.
Converter box
1280x720 1920x1080
Single link
Adapter
32. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Higher sharper
Dead pixel
Flat displays
Brighter
33. ____ 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.
LCD
1152 864
CRT
640 480
34. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
CRT
Single
Single source
Converter box
35. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
DVI-I DVI-D
VA (Vertical Alignment)
Progressive scanning
4
36. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Return policy
G2G (grey-to-grey - or GTG)
Screen
Separately
37. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
DVI-A connection
1680 1050
Refresh
Interlacing
38. 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
Worse
Response time
2048 1536
39. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
Widescreen
Single
Widescreen
40. 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.
1920 1200
Response time
Single
DVI-D (digital video-digital)
41. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Physical effective
G2G (grey-to-grey - or GTG)
800 600
VA (Vertical Alignment)
42. ____ 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.
Diagonal
IPS (In Plane Switching)
TFT (thin film transistor)
LCD
43. Without a built-in tuner - video input is limited to a ____ channel - and changing TV channels must be done at the ____ device before inputting into the video card.
CRT
Single source
Better
CRT
44. 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
Viewing angle
Flat displays
1600 1200
Return policy
45. 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).
CCFL (Cold Cathode Fluorescent Lamp)
1280 1024
Resolution
Backlight
46. 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.
Aspect ratio
2048 1536
800 600
Aperture grill
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
DVI-D (digital video-digital)
S-video
D-sub connector
48. DisplayPort does not use ______ than DVI and HDMI.
Analog
Higher voltage
DVI-A (digital video-analog)
Brightness
49. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
perture grill
1600 1200
4:3
External
50. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
1680 1050
VA (Vertical Alignment)
Normal
Pixel pitch