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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. 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.
RCA
TFT (thin film transistor)
1400 1050
TFT (thin film transistor)
2. ____ (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.
Composite
720p 1080i
Aperture grill
Backlight
3. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
D-sub DVI-A
1680 1050
Same cable
CRT native
4. ____ 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)
Normal
Higher sharper
1920 1200
5. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
Shadow mask
DisplayPort
HDTV
Viewing angle
6. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Dead
Worse
Resolution
7. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
analog digital
LCD monitor that accepts an analog connection
Backlight
Resolution
8. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Composite
Normal
6
Brightness
9. 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
IPS (In Plane Switching)
Degauss
LED (Light Emitting Diode)
1680 1050
10. 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
Degauss
Physical effective
Diagonal
Debris
11. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
2048 1536
both video and audio input
Dynamic
Flat displays
12. ____ 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
1280x720 1920x1080
Video card
DVI-D (digital video-digital)
13. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Adapter
Static
DVI-I DVI-D
800 600
14. 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.
Backlight
Single link
S-video
perture grill
15. 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.
External
Response time
both video and audio input
IPS (In Plane Switching)
16. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
Better
Dot pitch
DB-15
DisplayPort
17. 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.
S-video
G2G (grey-to-grey - or GTG)
DVI-D (digital video-digital)
Response time
18. TN panels have ____ viewing angles and contrast ratios than the other display types.
perture grill
Screen
Worse
Interlacing
19. ____ 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.
Brightness
VA (Vertical Alignment)
Refresh
U V color
20. 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.
1920 1200
Refresh
Video card
perture grill
21. 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).
Return policy
1280 1024
IPS (In Plane Switching)
1600 1200
22. 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.
1280x720 1920x1080
Converter
CCFL (Cold Cathode Fluorescent Lamp)
IPS (In Plane Switching)
23. Composite signals combine three qualities of video into a single signal; the ____ channel is for ____ or luminance and U and V channels provide color information.
Response time
Y brightness
1152 864
Dual link
24. 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
Better
Response time
perture grill
16:9
25. 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.
Screen
both video and audio input
Contrast ratio
Pixel pitch
26. 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.
1920 1200
Shadow mask
RCA
Single source
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
DB-15
Color shift
Interlacing
28. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Pixels
TV-tuner
Dynamic
Brightness
29. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
640 480
16:9
DVI-D (digital video-digital)
LCD
30. The ____ is the ratio of the width and the height.
Aperture grill
Aspect ratio
CCFL (Cold Cathode Fluorescent Lamp)
IPS (In Plane Switching)
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
HDCP
F-type
IPS (In Plane Switching)
32. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
720p 1080i
Flat displays
IPS (In Plane Switching)
1680 1050
33. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
1152 864
CCFL (Cold Cathode Fluorescent Lamp)
Laptop
Brighter
34. 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.
2048 1536
Interlacing
DB-15
Dot pitch
35. 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.
Single source
DB-15
Dead pixel
Viewing angle
36. Additional monitor features include built in ____ or ____ hub.
Speakers USB
16:9
1280x720 1920x1080
IPS (In Plane Switching)
37. 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.
1152 864
Resolution
G2G (grey-to-grey - or GTG)
Dual
38. Full HD content is designed for a resolution of 1920 x 1080 using ____ (where each line on the screen is redrawn in order). Full HD support is therefore referred to as 1080p.
perture grill
perture grill
HDCP
Progressive scanning
39. If you are concerned about dead pixels - review the ____ before purchasing.
6
Return policy
Diagonal
Y brightness
40. You can connect analog CRT monitors to a video card with a...
Resolution
D-sub connector
G2G (grey-to-grey - or GTG)
1400 1050
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.
2048 1536
DVI-A (digital video-analog)
Response time
6
42. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Single link
Flat displays
Normal
43. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
IPS (In Plane Switching)
Single source
Aspect ratio
D-sub
44. Pressing lightly on the ____ may revive the pixel.
1400 1050
Screen
D-sub DVI-A
DVI-I DVI-D
45. 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.
Refresh
Single
Response time
VA (Vertical Alignment)
46. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Analog CRT monitor
1600 1200
CRT
Static
47. Additional monitor features include built in ____ or ____ hub.
CRT native
Single link
Speakers USB
DB-15
48. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
800 600
Pixels
LED (Light Emitting Diode)
4:3
49. 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.
Utilities
Dual
VN (Twisted Nematic)
G2G (grey-to-grey - or GTG)
50. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
720p 1080i
CRT native
IPS (In Plane Switching)
Response time