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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. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Composite
1920 1080
Interlacing
Dynamic
2. 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.
Video card
Flat displays
Analog CRT monitor
Widescreen
3. 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 ____.
1280x720 1920x1080
Adapter
Progressive scanning
30 99
4. Having a few dead ____ can be common on many displays.
LCD monitor that accepts an analog connection
Aperture grill
720p 1080i
Pixels
5. 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.
DB-15
Dual
DVI HDMI
CCFL (Cold Cathode Fluorescent Lamp)
6. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
DB-15
Dead pixel
VA (Vertical Alignment)
4:3
7. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
DisplayPort
CRT
LCD monitor that accepts an analog connection
Physical effective
8. You can connect analog CRT monitors to a video card with a...
Better
Shadow mask
1680 1050
D-sub connector
9. The ____ is the ratio of the width and the height.
DVI-I DVI-D
Aspect ratio
Analog output
Diagonal
10. ____ 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).
Widescreen
Pixel pitch
RCA
Dual link
11. 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.
LCD monitor that accepts an analog connection
both video and audio input
Aperture grill
Dual
12. 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
Shadow mask
IPS (In Plane Switching)
13. 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.
Interlacing
LED (Light Emitting Diode)
Dual link
Dead
14. 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)
Aperture grill
CRT native
Worse
15. DVI-D ____ link cable.
Refresh
Dual
Progressive scanning
Contrast ratio
16. 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).
Pixel pitch
Worse
1280 1024
CRT native
17. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Backlight
CRT
DVI-D (digital video-digital)
D-sub connector
18. 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.
1152 864
DVI-D (digital video-digital)
Shadow mask
Aperture grill
19. 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.
F-type
Aspect ratio
Resolution
1920 1080
20. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Resolution
D-sub
TFT (thin film transistor)
Resolution
21. 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.
IPS (In Plane Switching)
30 99
Shadow mask
HDCP
22. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
both video and audio input
Speakers USB
Aperture grill
23. 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)
D-sub connector
1152 864
Laptop
24. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
CCFL (Cold Cathode Fluorescent Lamp)
Worse
Flat displays
HDMI (High-Definition Multimedia Interface)
25. ____ 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.
DVI-A (digital video-analog)
IPS (In Plane Switching)
DVI HDMI
1680 1050
26. ____ 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.
Refresh
Digital
CRT
DVI-A (digital video-analog)
27. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
IPS (In Plane Switching)
VA (Vertical Alignment)
1920 1200
U V color
28. 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
16:9
analog digital
VA (Vertical Alignment)
DVI-I (digital video-integrated)
29. TN panels have ____ viewing angles and contrast ratios than the other display types.
Single link
DB-15
1920 1200
Worse
30. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
Widescreen
DisplayPort
Composite
D-sub connector
31. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Degauss
30 99
Analog CRT monitor
Flat displays
32. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Worse
CRT native
Backlight
720p 1080i
33. DVI-D ____ link cable.
Aspect ratio
TFT (thin film transistor)
Return policy
Dual
34. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Flat displays
Resolution
1152 864
Static
35. ____ (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.
Resolution
720p 1080i
Degauss
CRT
36. 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
Better
16:9
Same cable
37. 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.
DVI-I (digital video-integrated)
G2G (grey-to-grey - or GTG)
Backlight
Refresh
38. 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).
1152 864
1280 1024
Dot pitch
16:9
39. DVI-D ____ link cable.
Single
1920 1080
Digital
Laptop
40. DVI-D ____ link cable.
Single
HDMI (High-Definition Multimedia Interface)
Contrast ratio
Higher sharper
41. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
30 99
Resolution
Brightness
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
DVI-I DVI-D
1400 1050
Splits the signal
Backlight
43. 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
LCD
DVI-A (digital video-analog)
Contrast ratio
44. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
TFT (thin film transistor)
Speakers USB
Progressive scanning
45. 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
TFT (thin film transistor)
Converter box
TV-tuner
1280 1024
46. 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.
U V color
Interlacing
Response time
Physical effective
47. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
analog digital
Brightness
D-sub
Flat displays
48. 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
External
Degauss
Static
Contrast ratio
49. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Diagonal
1024 768
IPS (In Plane Switching)
DVI-D (digital video-digital)
50. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
DisplayPort
Dynamic
Resolution
Dead