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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. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Response time
both video and audio input
30 99
Color shift
2. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Dual
Resolution
IPS (In Plane Switching)
Response time
3. 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
Dual
16:9
1600 1200
Brightness
4. 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.
CRT
TFT (thin film transistor)
30 99
720p 1080i
5. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Worse
DVI-D (digital video-digital)
Static
Interlacing
6. 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.
Widescreen
analog digital
LCD
Aspect ratio
7. 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
Static
CRT
DVI-D (digital video-digital)
8. 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.
1152 864
1680 1050
Video card
G2G (grey-to-grey - or GTG)
9. 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.
800 600
Refresh
6
Single
10. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Brighter
G2G (grey-to-grey - or GTG)
Resolution
Speakers USB
11. 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 ____.
Converter box
Worse
Debris
Dynamic
12. Monitor size is typically described using a ____ measurement.
800 600
Normal
Laptop
Diagonal
13. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Response time
Video card
Better
Analog CRT monitor
14. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Static
Flat displays
1024 768
Analog
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.
CCFL (Cold Cathode Fluorescent Lamp)
1680 1050
6
Brightness
16. 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.
IPS (In Plane Switching)
DMS-59
Response time
IPS (In Plane Switching)
17. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Pixel pitch
D-sub
Degauss
Normal
18. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
DVI-I DVI-D
VA (Vertical Alignment)
Brighter
Physical effective
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.
Static
VN (Twisted Nematic)
1920 1080
6
20. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
DB-15
both video and audio input
G2G (grey-to-grey - or GTG)
Dot pitch
21. DVI-D ____ link cable.
800 600
Widescreen
Aspect ratio
Dual
22. 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.
Dot pitch
Resolution
LCD
Y brightness
23. ____ on the screen can be mistaken for a dead pixel.
Pixels
IPS (In Plane Switching)
Higher voltage
Debris
24. 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.
perture grill
VN (Twisted Nematic)
Dual
D-sub
25. 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.
TFT (thin film transistor)
Progressive scanning
Aperture grill
6
26. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
LED (Light Emitting Diode)
LCD
Resolution
16:9
27. ____ 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.
IPS (In Plane Switching)
Interlacing
DVI-D (digital video-digital)
CRT
28. 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.
HDMI (High-Definition Multimedia Interface)
D-sub connector
HDTV
Contrast ratio
29. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Brighter
1600 1200
800 600
External
30. 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).
Contrast ratio
DVI HDMI
1280 1024
Y UV
31. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Better
both video and audio input
800 600
DVI-I (digital video-integrated)
32. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Worse
1152 864
Static
both video and audio input
33. As with composite and s-video - audio must be supplied to the device...
Separately
External
1024 768
Analog
34. Having a few dead ____ can be common on many displays.
CCFL (Cold Cathode Fluorescent Lamp)
Pixels
1280 1024
IPS (In Plane Switching)
35. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.
CCFL (Cold Cathode Fluorescent Lamp)
Splits the signal
Higher sharper
Dual link
36. 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
Refresh
Color shift
DVI-I (digital video-integrated)
37. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Composite
CRT
HDCP
Degauss
38. ____ displays have a 4:3 aspect ratio (used in CRT displays).
External
Brighter
Normal
Flat displays
39. 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.
Normal
DB-15
Dynamic
LCD
40. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
VN (Twisted Nematic)
Shadow mask
Flat displays
1920 1200
41. 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.
RCA
HDCP
Dot pitch
Single
42. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Higher sharper
DVI-D (digital video-digital)
Digital
1920 1200
43. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
HDMI (High-Definition Multimedia Interface)
Brightness
Dot pitch
Higher sharper
44. 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.
Dynamic
Dead pixel
640 480
Interlacing
45. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Utilities
Composite
CRT native
Flat displays
46. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Aperture grill
1920 1080
CRT native
DVI-D (digital video-digital)
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Aperture grill
640 480
CRT
U V color
48. ____ 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.
Brightness
Response time
Interlacing
RCA
49. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Interlacing
Pixels
Resolution
Response time
50. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dynamic
Brightness
Dual
Aperture grill