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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. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
CCFL (Cold Cathode Fluorescent Lamp)
2048 1536
DisplayPort
TFT (thin film transistor)
2. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
DVI-I (digital video-integrated)
DVI-A (digital video-analog)
Dead pixel
Single link
3. 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.
IPS (In Plane Switching)
DB-15
DVI-A (digital video-analog)
Static
4. You can connect an analog CRT or LCD monitor to a video card with a DVI-I connector. This requires a cable with a ____ connection on one end and a ____ connection on the other end.
D-sub DVI-A
Laptop
DVI-I DVI-D
1400 1050
5. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Color shift
Dead
DisplayPort
Dot pitch
6. 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.
Refresh
Single
Y brightness
720p 1080i
7. 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.
2048 1536
Aperture grill
Video card
DVI-A connection
8. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
800 600
Static
1280 1024
Better
9. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Return policy
VA (Vertical Alignment)
Viewing angle
1600 1200
10. 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.
HDTV
IPS (In Plane Switching)
Interlacing
Video card
11. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
16:9
CRT
Degauss
12. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Brighter
Y UV
G2G (grey-to-grey - or GTG)
1680 1050
13. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
16:9
VA (Vertical Alignment)
Same cable
Widescreen
14. 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.
Response time
Dead pixel
both video and audio input
Analog CRT monitor
15. 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.
Refresh
HDTV
TFT (thin film transistor)
DMS-59
16. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
HDCP
Interlacing
Resolution
Utilities
17. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
CRT
Dot pitch
6
IPS (In Plane Switching)
18. Having a few dead ____ can be common on many displays.
Contrast ratio
Same cable
Pixels
both video and audio input
19. 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.
G2G (grey-to-grey - or GTG)
Pixels
HDCP
Response time
20. DVI-D ____ link cable.
Progressive scanning
Single
Digital
Diagonal
21. ____ video cable and female port.
Worse
1400 1050
Composite
Dual
22. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
IPS (In Plane Switching)
Resolution
CCFL (Cold Cathode Fluorescent Lamp)
HDCP
23. Monitor size is typically described using a ____ measurement.
Splits the signal
Diagonal
720p 1080i
G2G (grey-to-grey - or GTG)
24. There are ____ to identify and possibly fix dead pixels on a monitor.
Composite
Adapter
1920 1080
Utilities
25. 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.
DVI-D (digital video-digital)
Dual
Single
Refresh
26. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Widescreen
Normal
LCD monitor that accepts an analog connection
Backlight
27. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
1280 1024
CRT native
1920 1200
Analog
28. ____ female port.
DVI-D (digital video-digital)
VN (Twisted Nematic)
Widescreen
Adapter
29. 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
Dual
1400 1050
HDMI (High-Definition Multimedia Interface)
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
Static
perture grill
1280x720 1920x1080
31. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Backlight
DVI-D (digital video-digital)
Pixel pitch
32. Pressing lightly on the ____ may revive the pixel.
Progressive scanning
Screen
Physical effective
1680 1050
33. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
1280 1024
Brighter
Response time
Analog
34. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Worse
Interlacing
1600 1200
35. 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.
Dual
Converter
Pixel pitch
Aspect ratio
36. 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.
Video card
DVI-D (digital video-digital)
DVI-D (digital video-digital)
IPS (In Plane Switching)
37. 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
D-sub
DVI-D (digital video-digital)
1600 1200
Degauss
38. 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.
Video card
1280 1024
Color shift
30 99
39. 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)
U V color
Resolution
40. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
30 99
Aspect ratio
External
Interlacing
41. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Adapter
Y UV
1152 864
Shadow mask
42. Additional monitor features include built in ____ or ____ hub.
CCFL (Cold Cathode Fluorescent Lamp)
Speakers USB
CRT
DisplayPort
43. 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.
DVI-I (digital video-integrated)
both video and audio input
Degauss
Contrast ratio
44. 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
Response time
720p 1080i
16:9
1920 1200
45. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Contrast ratio
Worse
640 480
VA (Vertical Alignment)
46. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Static
Backlight
IPS (In Plane Switching)
Pixel pitch
47. 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.
Dead
Backlight
Converter box
Dynamic
48. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Speakers USB
DVI-D (digital video-digital)
IPS (In Plane Switching)
DB-15
49. TN panels have ____ viewing angles and contrast ratios than the other display types.
Resolution
1920 1200
Worse
analog digital
50. TN panels have ____ viewing angles and contrast ratios than the other display types.
CRT
Worse
Aspect ratio
Contrast ratio