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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 ____ contrast ratio indicates the difference that can be displayed at the same time.
CRT
Static
1680 1050
1920 1200
2. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Pixel pitch
Widescreen
4:3
DVI-D (digital video-digital)
3. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
7
CRT
Dual
G2G (grey-to-grey - or GTG)
4. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
TFT (thin film transistor)
1680 1050
2048 1536
5. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.
HDMI (High-Definition Multimedia Interface)
Utilities
IPS (In Plane Switching)
1280x720 1920x1080
6. The D-sub connector on a video card provides....
IPS (In Plane Switching)
Better
Better
Analog output
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.
Physical effective
Brightness
30 99
Viewing angle
8. 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.
Refresh
Interlacing
CRT
Better
9. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
1280 1024
Higher sharper
Color shift
G2G (grey-to-grey - or GTG)
10. ____ is an alternative to an HDMI connector.
1400 1050
Converter box
Worse
DisplayPort
11. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
2048 1536
DVI HDMI
Brightness
LCD monitor that accepts an analog connection
12. Monitor size is typically described using a ____ measurement.
Diagonal
Response time
Resolution
VN (Twisted Nematic)
13. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
4
DB-15
Dual link
HDTV
14. ____ on the screen can be mistaken for a dead pixel.
Normal
Debris
Backlight
Dual link
15. ____ 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.
Aperture grill
Response time
CRT
Contrast ratio
16. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Higher sharper
Diagonal
Flat displays
17. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
LCD monitor that accepts an analog connection
30 99
Brightness
18. 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.
4:3
Dual link
DVI-A connection
Normal
19. 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.
Resolution
TFT (thin film transistor)
Composite
VN (Twisted Nematic)
20. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
Widescreen
VA (Vertical Alignment)
1024 768
Better
21. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
DVI-I (digital video-integrated)
IPS (In Plane Switching)
Resolution
HDCP
22. 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
DVI-A (digital video-analog)
Interlacing
DisplayPort
23. 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.
DVI-D (digital video-digital)
Brighter
Progressive scanning
Degauss
24. 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.
1024 768
Screen
Utilities
Aperture grill
25. DVI-D ____ link cable.
Physical effective
Analog CRT monitor
Dual
Interlacing
26. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Aspect ratio
Dynamic
Brighter
27. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Composite
Interlacing
Dual
VA (Vertical Alignment)
28. ____ panels are the most expensive type of panel - and could be difficult to find.
LED (Light Emitting Diode)
DVI HDMI
IPS (In Plane Switching)
Response time
29. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
Higher sharper
Contrast ratio
Resolution
30. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Brightness
1680 1050
Composite video
Higher sharper
31. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
LED (Light Emitting Diode)
Video card
Normal
16:9
32. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Composite video
both video and audio input
Physical effective
Interlacing
33. 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.
both video and audio input
1920 1080
Dot pitch
30 99
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. WSXGA+ = ____ x ____. UXGA = 1600 x 1200 WUXGA = 1920 x 1200
Digital
RCA
LED (Light Emitting Diode)
1680 1050
35. You can connect analog CRT monitors to a video card with a...
CCFL (Cold Cathode Fluorescent Lamp)
D-sub connector
Dual link
Splits the signal
36. 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
1680 1050
Viewing angle
Response time
TV-tuner
37. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
TFT (thin film transistor)
Single
HDCP
Same cable
38. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
VN (Twisted Nematic)
720p 1080i
Response time
Color shift
39. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
F-type
6
Better
DVI-D (digital video-digital)
40. 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
F-type
16:9
Viewing angle
D-sub connector
41. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Contrast ratio
Higher sharper
Dot pitch
Video card
42. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
720p 1080i
Brighter
1680 1050
DVI-A (digital video-analog)
43. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
IPS (In Plane Switching)
LED (Light Emitting Diode)
1152 864
Dual
44. 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.
1600 1200
Physical effective
4:3
VN (Twisted Nematic)
45. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Progressive scanning
Resolution
G2G (grey-to-grey - or GTG)
Separately
46. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
Progressive scanning
IPS (In Plane Switching)
External
Converter box
47. Having a few dead ____ can be common on many displays.
Dot pitch
LED (Light Emitting Diode)
4
Pixels
48. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Debris
Response time
Aspect ratio
49. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Single link
Flat displays
DVI-I DVI-D
IPS (In Plane Switching)
50. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Dual link
1600 1200
2048 1536
Brightness