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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. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Brightness
Refresh
Resolution
800 600
2. ____ displays have a 4:3 aspect ratio (used in CRT displays).
1600 1200
Normal
Interlacing
1400 1050
3. DVI-D ____ link cable.
Worse
Static
CRT native
Dual
4. 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 ____.
both video and audio input
Adapter
4:3
Dot pitch
5. 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.
1280x720 1920x1080
DB-15
1280x720 1920x1080
VN (Twisted Nematic)
6. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
DVI HDMI
Shadow mask
640 480
7. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
Color shift
Viewing angle
LED (Light Emitting Diode)
8. 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.
DVI-D (digital video-digital)
Resolution
30 99
D-sub connector
9. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
VA (Vertical Alignment)
CRT
Refresh
analog digital
10. ____ 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.
IPS (In Plane Switching)
Widescreen
DVI-D (digital video-digital)
Color shift
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
perture grill
640 480
Better
1600 1200
12. Additional monitor features include built in ____ or ____ hub.
Physical effective
Brighter
Speakers USB
1680 1050
13. 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.
1024 768
Analog CRT monitor
1400 1050
CCFL (Cold Cathode Fluorescent Lamp)
14. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Pixels
Brighter
Composite
Flat displays
15. 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.
perture grill
DB-15
Video card
6
16. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Brightness
Resolution
Speakers USB
Color shift
17. 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 CRT monitor
Video card
LCD monitor that accepts an analog connection
IPS (In Plane Switching)
18. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
1280 1024
30 99
Better
CRT native
19. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Resolution
Dynamic
U V color
1920 1200
20. The ____ is the ratio of the width and the height.
6
S-video
Aspect ratio
D-sub connector
21. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Color shift
IPS (In Plane Switching)
both video and audio input
2048 1536
22. ____ 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).
Dual link
30 99
DVI-A (digital video-analog)
Pixel pitch
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Brighter
Video card
Analog output
24. ____ 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.
Video card
LCD monitor that accepts an analog connection
1280 1024
CRT
25. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
IPS (In Plane Switching)
Utilities
D-sub
800 600
26. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
DVI-A (digital video-analog)
Normal
Aperture grill
27. 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.
VN (Twisted Nematic)
HDCP
DVI-I DVI-D
CRT native
28. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
DVI-D (digital video-digital)
VA (Vertical Alignment)
Aperture grill
1024 768
29. ____ video cable and female port.
Composite
4:3
D-sub
Debris
30. 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
Brightness
DVI-A (digital video-analog)
Contrast ratio
31. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Flat displays
IPS (In Plane Switching)
CRT
32. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
DisplayPort
TFT (thin film transistor)
Refresh
Higher sharper
33. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is
1280 1024
Response time
External
IPS (In Plane Switching)
34. 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
Physical effective
1152 864
Progressive scanning
35. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
U V color
Screen
Speakers USB
Physical effective
36. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
Dual
Degauss
LCD
CRT native
37. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Single
DVI-D (digital video-digital)
LCD
Speakers USB
38. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Screen
DVI-A (digital video-analog)
VA (Vertical Alignment)
1024 768
39. As with composite and s-video - audio must be supplied to the device...
VN (Twisted Nematic)
Response time
Utilities
Separately
40. 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
1680 1050
LED (Light Emitting Diode)
Brighter
16:9
41. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Converter
G2G (grey-to-grey - or GTG)
TV-tuner
Flat displays
42. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
1400 1050
Color shift
IPS (In Plane Switching)
Dynamic
43. 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
DisplayPort
Converter
1280x720 1920x1080
Resolution
44. 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
4:3
1280x720 1920x1080
LCD monitor that accepts an analog connection
Shadow mask
45. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
1280 1024
S-video
Brighter
Color shift
46. 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
1400 1050
Viewing angle
Response time
Contrast ratio
47. 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).
analog digital
1280 1024
800 600
Laptop
48. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.
Analog output
DVI-A connection
Converter
Analog CRT monitor
49. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
1920 1200
U V color
VN (Twisted Nematic)
50. Composite signals combine three qualities of video into a single signal; the ____ channel is for ____ or luminance and U and V channels provide color information.
1680 1050
Y brightness
Single source
Composite