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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. UXGA = ____ x ____.
1600 1200
Dual link
D-sub
16:9
2. 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.
1600 1200
Return policy
DB-15
TV-tuner
3. 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.
Aperture grill
Composite
1400 1050
Higher sharper
4. ____ (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.
D-sub connector
CRT native
Utilities
720p 1080i
5. 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
Interlacing
Resolution
Resolution
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
1600 1200
Response time
External
7. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Refresh
Single link
DisplayPort
2048 1536
8. ____ 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.
LED (Light Emitting Diode)
CRT
DVI-D (digital video-digital)
1600 1200
9. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
D-sub
Composite
Digital
10. 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
Return policy
Better
Degauss
720p 1080i
11. 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.
4:3
Pixel pitch
F-type
HDTV
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-A connection
Degauss
Dot pitch
VN (Twisted Nematic)
13. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
LCD monitor that accepts an analog connection
Higher sharper
2048 1536
4:3
14. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
G2G (grey-to-grey - or GTG)
Dynamic
Normal
15. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
Higher sharper
4
HDTV
Brighter
16. Having a few dead ____ can be common on many displays.
Brighter
IPS (In Plane Switching)
Resolution
Pixels
17. ____ cable and female port.
Physical effective
S-video
Response time
Video card
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Aspect ratio
External
800 600
HDCP
19. 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.
Video card
1920 1080
Interlacing
Composite video
20. 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.
Y UV
Dead
Single source
Backlight
21. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Return policy
Color shift
DVI-D (digital video-digital)
Dead pixel
22. 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
D-sub
Shadow mask
Better
DisplayPort
23. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
VN (Twisted Nematic)
U V color
Resolution
Separately
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
16:9
Refresh
800 600
1920 1200
25. 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.
DB-15
Physical effective
HDCP
Resolution
26. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Video card
1920 1200
Better
CCFL (Cold Cathode Fluorescent Lamp)
27. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Analog CRT monitor
TFT (thin film transistor)
Dual
DB-15
28. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
VA (Vertical Alignment)
Interlacing
Composite
1400 1050
29. 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
Single link
16:9
DB-15
Contrast ratio
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Worse
1152 864
CCFL (Cold Cathode Fluorescent Lamp)
30 99
31. 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.
Video card
Dual
perture grill
Physical effective
32. Monitor size is typically described using a ____ measurement.
1400 1050
Speakers USB
Diagonal
1280x720 1920x1080
33. You can connect analog CRT monitors to a video card with a...
D-sub connector
Color shift
perture grill
Worse
34. 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)
DVI-D (digital video-digital)
TV-tuner
720p 1080i
35. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Resolution
Response time
Laptop
Worse
36. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Interlacing
Pixel pitch
RCA
Flat displays
37. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Converter
CRT
Composite
Brighter
38. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
LCD monitor that accepts an analog connection
Widescreen
HDCP
39. Additional monitor features include built in ____ or ____ hub.
800 600
CRT native
Speakers USB
1152 864
40. 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.
1152 864
External
Contrast ratio
30 99
41. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Widescreen
DVI-A (digital video-analog)
Normal
IPS (In Plane Switching)
42. 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
CRT
Composite
CRT native
43. 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)
Worse
Aperture grill
G2G (grey-to-grey - or GTG)
44. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
Resolution
Converter
Aperture grill
45. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
Pixel pitch
Interlacing
TFT (thin film transistor)
Converter box
46. 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.
Composite
Video card
DB-15
Aperture grill
47. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Composite video
720p 1080i
Brighter
Speakers USB
48. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
Resolution
HDTV
Dynamic
perture grill
49. 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.
720p 1080i
CRT
720p 1080i
RCA
50. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
1600 1200
720p 1080i
Dual
TFT (thin film transistor)