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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. 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
Video card
Debris
1920 1200
Viewing angle
2. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
Single
Color shift
VA (Vertical Alignment)
F-type
3. The ____ is the ratio of the width and the height.
1152 864
1280 1024
Aspect ratio
Utilities
4. 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.
Brighter
Dead
Worse
6
5. 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
Diagonal
RCA
Response time
Degauss
6. 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
Contrast ratio
HDTV
both video and audio input
7. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Digital
LCD
Analog CRT monitor
8. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
1600 1200
Higher sharper
analog digital
DVI-I DVI-D
9. 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.
Normal
Flat displays
Progressive scanning
VN (Twisted Nematic)
10. The D-sub connector on a video card provides....
Analog output
IPS (In Plane Switching)
G2G (grey-to-grey - or GTG)
Resolution
11. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Higher sharper
Normal
LCD
both video and audio input
12. 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.
LCD
Degauss
Progressive scanning
Refresh
13. 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
Dynamic
LED (Light Emitting Diode)
Dead pixel
analog digital
14. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Better
1680 1050
Analog CRT monitor
15. 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.
External
Debris
Physical effective
DVI-A connection
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
CRT
Response time
6
1600 1200
17. ____ 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.
DVI-I (digital video-integrated)
IPS (In Plane Switching)
Y UV
Utilities
18. ____ 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)
DVI-D (digital video-digital)
Dual
Dot pitch
19. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
IPS (In Plane Switching)
HDCP
Resolution
Physical effective
20. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
1600 1200
30 99
DVI-A (digital video-analog)
21. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
Refresh
LED (Light Emitting Diode)
D-sub connector
22. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.
DVI-I (digital video-integrated)
Brighter
Splits the signal
D-sub
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Interlacing
1920 1200
Response time
16:9
24. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
6
Normal
7
Response time
25. 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.
DVI-I (digital video-integrated)
VN (Twisted Nematic)
Aperture grill
800 600
26. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
IPS (In Plane Switching)
Flat displays
Single link
IPS (In Plane Switching)
27. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Shadow mask
Normal
800 600
28. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Degauss
6
perture grill
CRT
29. ____ 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).
Dynamic
Dual link
perture grill
Contrast ratio
30. ____ 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.
Laptop
CCFL (Cold Cathode Fluorescent Lamp)
Aspect ratio
CRT
31. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Dot pitch
16:9
CRT native
Flat displays
32. A ____ connection on a video card provides analog output and are rarely (if ever) used for computers monitors - but might be used on some HDTV systems.
Response time
DVI-A (digital video-analog)
Video card
Brightness
33. 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.
Contrast ratio
1680 1050
both video and audio input
1024 768
34. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Dynamic
analog digital
16:9
IPS (In Plane Switching)
35. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
perture grill
Dual
Dynamic
Single link
36. 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
720p 1080i
D-sub connector
DB-15
DisplayPort
37. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Dual link
Color shift
Resolution
Diagonal
38. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
D-sub
Speakers USB
both video and audio input
Pixel pitch
39. 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
TFT (thin film transistor)
Contrast ratio
RCA
40. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Interlacing
Widescreen
D-sub
TFT (thin film transistor)
41. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Physical effective
Video card
Higher sharper
Dual
42. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
1280 1024
Pixel pitch
30 99
DisplayPort
43. 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.
Resolution
1024 768
1920 1200
DVI-A connection
44. 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.
Single source
16:9
Flat displays
DVI-I (digital video-integrated)
45. 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
Return policy
Degauss
Speakers USB
46. 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
Flat displays
perture grill
16:9
Worse
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Color shift
Dual
DB-15
640 480
48. 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
Dot pitch
Contrast ratio
Progressive scanning
49. 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.
Physical effective
CRT native
VA (Vertical Alignment)
Response time
50. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
Dynamic
1920 1080
Refresh