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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. 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.
IPS (In Plane Switching)
Interlacing
1152 864
VN (Twisted Nematic)
2. The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
DVI-I (digital video-integrated)
1400 1050
DVI-I DVI-D
G2G (grey-to-grey - or GTG)
3. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Physical effective
VN (Twisted Nematic)
Dynamic
6
4. Pressing lightly on the ____ may revive the pixel.
Dot pitch
Interlacing
Response time
Screen
5. 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).
Adapter
Interlacing
1920 1080
1280 1024
6. The ____ is the ratio of the width and the height.
Backlight
2048 1536
30 99
Aspect ratio
7. ____ 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)
LED (Light Emitting Diode)
Progressive scanning
Pixel pitch
8. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
CRT native
640 480
CCFL (Cold Cathode Fluorescent Lamp)
LED (Light Emitting Diode)
9. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
800 600
Dual link
DisplayPort
10. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Backlight
Dead
Better
11. 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
Resolution
1680 1050
Viewing angle
Speakers USB
12. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Interlacing
Video card
1680 1050
D-sub
13. Monitor size is typically described using a ____ measurement.
Diagonal
Video card
6
DB-15
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Analog output
Single link
DisplayPort
15. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
CRT native
CRT
Flat displays
Brighter
16. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
CRT
16:9
G2G (grey-to-grey - or GTG)
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
1280x720 1920x1080
CRT native
1280 1024
18. ____ 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.
CRT
Shadow mask
DVI-A (digital video-analog)
Resolution
19. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
G2G (grey-to-grey - or GTG)
1680 1050
Worse
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.
IPS (In Plane Switching)
Viewing angle
Digital
perture grill
21. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
VA (Vertical Alignment)
Dead pixel
720p 1080i
Interlacing
22. 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.
Physical effective
Video card
Utilities
both video and audio input
23. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
IPS (In Plane Switching)
Worse
LCD monitor that accepts an analog connection
Higher sharper
24. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
800 600
TFT (thin film transistor)
D-sub connector
Progressive scanning
25. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
1280x720 1920x1080
1920 1080
1600 1200
1600 1200
26. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Worse
CRT
Degauss
VA (Vertical Alignment)
27. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
IPS (In Plane Switching)
Pixel pitch
Higher sharper
Contrast ratio
28. 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.
DVI-A connection
Debris
DVI-D (digital video-digital)
HDMI (High-Definition Multimedia Interface)
29. 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.
Contrast ratio
16:9
Backlight
Response time
30. 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
Response time
HDCP
Aperture grill
31. 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)
DVI-D (digital video-digital)
Pixels
TFT (thin film transistor)
32. 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
HDTV
TFT (thin film transistor)
TV-tuner
33. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Backlight
Video card
perture grill
CRT native
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Progressive scanning
DVI-D (digital video-digital)
1024 768
Single link
35. 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
Composite video
Interlacing
F-type
TV-tuner
36. 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.
Resolution
Interlacing
7
1600 1200
37. 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.
Viewing angle
Degauss
Backlight
DMS-59
38. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
TFT (thin film transistor)
Worse
16:9
Brighter
39. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
F-type
CRT
Dead pixel
1280 1024
40. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Static
1400 1050
CRT native
Pixel pitch
41. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
G2G (grey-to-grey - or GTG)
DVI HDMI
30 99
1024 768
42. 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.
both video and audio input
Response time
Y brightness
Refresh
43. 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.
F-type
Resolution
DVI-I (digital video-integrated)
Analog CRT monitor
44. The ____ connector is used to allow multiple video ports from a single connection.It is typically included on slimline video cards that can have only a single port. It sends out two separate DVI-I signals through the single connector.
Single
DMS-59
Dead pixel
Response time
45. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Speakers USB
Resolution
Dead pixel
Better
46. 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.
IPS (In Plane Switching)
CRT
Progressive scanning
LCD
47. 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.
DB-15
Pixels
Response time
Brighter
48. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Dot pitch
Single link
Debris
Resolution
49. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Dead pixel
Dual
TFT (thin film transistor)
HDTV
50. 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
Video card
Better
640 480