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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. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
IPS (In Plane Switching)
Response time
G2G (grey-to-grey - or GTG)
DVI-A (digital video-analog)
2. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Shadow mask
CRT
G2G (grey-to-grey - or GTG)
Converter box
3. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
800 600
Response time
Resolution
Interlacing
4. 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
Higher voltage
HDTV
Backlight
Degauss
5. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Higher voltage
1024 768
Physical effective
Interlacing
6. If you are concerned about dead pixels - review the ____ before purchasing.
Composite video
Return policy
1680 1050
Single link
7. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
CRT
Response time
Static
1680 1050
8. 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).
Y brightness
Resolution
RCA
1280 1024
9. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar
Dead pixel
Shadow mask
Composite
Speakers USB
10. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Single link
CRT
Brighter
11. Additional monitor features include built in ____ or ____ hub.
LCD monitor that accepts an analog connection
DB-15
Speakers USB
Screen
12. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Progressive scanning
Widescreen
Dynamic
Flat displays
13. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
LED (Light Emitting Diode)
Single link
Shadow mask
1152 864
14. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
G2G (grey-to-grey - or GTG)
CRT native
Digital
Return policy
15. ____ 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.
Return policy
DVI-A (digital video-analog)
Brightness
DVI-A (digital video-analog)
16. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
4:3
HDCP
Resolution
Pixel pitch
17. 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.
CCFL (Cold Cathode Fluorescent Lamp)
Normal
Dynamic
Physical effective
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Response time
Converter box
1600 1200
Flat displays
19. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Debris
DVI HDMI
Pixel pitch
Single
20. ____ 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.
1920 1080
TFT (thin film transistor)
DVI-I (digital video-integrated)
Brightness
21. 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)
Degauss
Speakers USB
VN (Twisted Nematic)
22. 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.
Speakers USB
IPS (In Plane Switching)
1400 1050
Video card
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
External
CRT
16:9
Brighter
24. ____ (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.
720p 1080i
Brighter
Interlacing
Composite video
25. 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
VN (Twisted Nematic)
Dynamic
Interlacing
26. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Utilities
1280x720 1920x1080
1152 864
D-sub
27. ____ female port.
DVI-D (digital video-digital)
4
Normal
1600 1200
28. 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.
Interlacing
Higher sharper
Contrast ratio
Aspect ratio
29. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar
Shadow mask
Converter
16:9
7
30. ____ female port.
Resolution
DVI-D (digital video-digital)
CRT
Resolution
31. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Refresh
Dynamic
Aspect ratio
LED (Light Emitting Diode)
32. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Dual
HDCP
Viewing angle
Single link
33. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
CRT
1400 1050
Single
Shadow mask
34. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
1600 1200
1280x720 1920x1080
DVI-D (digital video-digital)
Dead pixel
35. The ____ is the ratio of the width and the height.
Aspect ratio
Return policy
LED (Light Emitting Diode)
Interlacing
36. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Composite video
DVI-D (digital video-digital)
Video card
TV-tuner
37. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Pixel pitch
Color shift
D-sub connector
Normal
38. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
CCFL (Cold Cathode Fluorescent Lamp)
VN (Twisted Nematic)
1152 864
Aperture grill
39. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Better
Flat displays
Color shift
Higher voltage
40. ____ displays have a 4:3 aspect ratio (used in CRT displays).
TFT (thin film transistor)
Normal
IPS (In Plane Switching)
D-sub
41. 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
IPS (In Plane Switching)
perture grill
2048 1536
42. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Digital
4:3
Utilities
Pixel pitch
43. 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.
Color shift
Composite
Backlight
CCFL (Cold Cathode Fluorescent Lamp)
44. 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.
Interlacing
perture grill
1680 1050
CRT native
45. TN panels have ____ viewing angles and contrast ratios than the other display types.
IPS (In Plane Switching)
DMS-59
Worse
DVI-A connection
46. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
DVI-A connection
Higher voltage
CRT
Dual
47. 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
Dead
LED (Light Emitting Diode)
1920 1200
Analog CRT monitor
48. 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 ____.
External
Dead
Adapter
Response time
49. 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.
30 99
1680 1050
Brighter
800 600
50. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Digital
D-sub connector
Interlacing
Screen