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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. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
HDCP
CRT native
720p 1080i
D-sub
2. 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.
DVI HDMI
VN (Twisted Nematic)
Dual
1280 1024
3. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Aperture grill
External
Composite video
CRT
4. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Contrast ratio
Pixel pitch
Higher sharper
Dot pitch
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Response time
16:9
IPS (In Plane Switching)
1400 1050
6. 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
G2G (grey-to-grey - or GTG)
perture grill
TV-tuner
Progressive scanning
7. ____ 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.
Degauss
Digital
Brightness
Converter
8. 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
DVI-D (digital video-digital)
DB-15
Viewing angle
Resolution
9. 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.
1600 1200
External
30 99
CRT
10. Monitor size is typically described using a ____ measurement.
DB-15
Diagonal
CCFL (Cold Cathode Fluorescent Lamp)
Composite
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Refresh
1152 864
Physical effective
640 480
12. 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.
DVI-I DVI-D
Better
Resolution
DVI-A connection
13. DVI-D ____ link cable.
Degauss
DVI-I (digital video-integrated)
Degauss
Single
14. 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).
1280 1024
Flat displays
Adapter
Analog CRT monitor
15. TN panels have ____ viewing angles and contrast ratios than the other display types.
Composite
Physical effective
Analog output
Worse
16. 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.
Better
D-sub connector
Dot pitch
perture grill
17. If you are concerned about dead pixels - review the ____ before purchasing.
RCA
Dual link
Return policy
Static
18. The D-sub connector on a video card provides....
Degauss
both video and audio input
Analog output
Diagonal
19. 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.
DVI-A (digital video-analog)
Response time
Laptop
CCFL (Cold Cathode Fluorescent Lamp)
20. 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
1920 1200
VA (Vertical Alignment)
Converter
21. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Aperture grill
CRT
Widescreen
640 480
22. 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.
1400 1050
720p 1080i
Aspect ratio
RCA
23. 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
640 480
Single
16:9
LCD monitor that accepts an analog connection
24. 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.
1280 1024
Dead
LCD
1280 1024
25. 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.
Analog CRT monitor
DVI-I (digital video-integrated)
6
Composite video
26. 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
VN (Twisted Nematic)
16:9
perture grill
IPS (In Plane Switching)
27. 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.
LED (Light Emitting Diode)
D-sub connector
DVI-A (digital video-analog)
Speakers USB
28. 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.
Y UV
Aperture grill
DVI-D (digital video-digital)
Brightness
29. 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.
Resolution
1024 768
CCFL (Cold Cathode Fluorescent Lamp)
LED (Light Emitting Diode)
30. Having a few dead ____ can be common on many displays.
DVI-D (digital video-digital)
1152 864
IPS (In Plane Switching)
Pixels
31. ____ (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.
Viewing angle
Single
720p 1080i
1680 1050
32. A ____ connection on a video card provides both analog and digital output.
DVI-I (digital video-integrated)
Laptop
U V color
Interlacing
33. 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
Brightness
IPS (In Plane Switching)
G2G (grey-to-grey - or GTG)
34. DisplayPort does not use ______ than DVI and HDMI.
Utilities
Higher voltage
Brightness
Single link
35. 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.
Dual link
Return policy
both video and audio input
Progressive scanning
36. 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
Normal
Response time
Physical effective
37. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Converter box
Video card
1024 768
DisplayPort
38. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
Backlight
1920 1080
LCD monitor that accepts an analog connection
39. Monitor size is typically described using a ____ measurement.
Refresh
1680 1050
Adapter
Diagonal
40. 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.
Backlight
Refresh
1152 864
LCD monitor that accepts an analog connection
41. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Response time
Return policy
Pixel pitch
Resolution
42. 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
Utilities
Color shift
Aperture grill
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
2048 1536
Better
7
44. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
CCFL (Cold Cathode Fluorescent Lamp)
Interlacing
640 480
Dual link
45. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
IPS (In Plane Switching)
Aspect ratio
Composite
Dot pitch
46. 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.
Analog output
Debris
Dot pitch
Analog CRT monitor
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.
F-type
Viewing angle
Response time
Analog
48. 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.
Widescreen
Resolution
Pixels
Backlight
49. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Single source
Worse
CRT native
both video and audio input
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Dot pitch
Analog output
Resolution
640 480