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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 s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
Single
1920 1080
720p 1080i
4
2. 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-I (digital video-integrated)
Contrast ratio
DVI-A connection
30 99
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
DB-15
16:9
Higher voltage
TFT (thin film transistor)
4. 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.
Speakers USB
TFT (thin film transistor)
Normal
DVI-A (digital video-analog)
5. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
DVI-D (digital video-digital)
Dead pixel
S-video
6. 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.
Analog output
1280x720 1920x1080
1600 1200
Physical effective
7. 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.
Resolution
DisplayPort
4:3
6
8. ____ 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).
G2G (grey-to-grey - or GTG)
Composite
Dual link
Higher sharper
9. 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).
Video card
1280 1024
Laptop
IPS (In Plane Switching)
10. 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
CCFL (Cold Cathode Fluorescent Lamp)
Response time
640 480
LED (Light Emitting Diode)
11. Additional monitor features include built in ____ or ____ hub.
Speakers USB
analog digital
DisplayPort
CCFL (Cold Cathode Fluorescent Lamp)
12. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Dual
4:3
Color shift
DMS-59
13. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LCD monitor that accepts an analog connection
800 600
800 600
Aspect ratio
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
720p 1080i
4:3
Dynamic
800 600
15. 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 ____.
Contrast ratio
1280x720 1920x1080
DVI HDMI
Color shift
16. 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
Contrast ratio
analog digital
Shadow mask
Pixel pitch
17. 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.
Brightness
CCFL (Cold Cathode Fluorescent Lamp)
Degauss
Analog output
18. 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.
Color shift
VN (Twisted Nematic)
Physical effective
Video card
19. ____ on the screen can be mistaken for a dead pixel.
Progressive scanning
1024 768
Debris
Video card
20. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
VA (Vertical Alignment)
1920 1200
CRT
Shadow mask
21. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
VN (Twisted Nematic)
Backlight
Dynamic
Interlacing
22. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Interlacing
1680 1050
4:3
Higher voltage
23. Monitor size is typically described using a ____ measurement.
Interlacing
G2G (grey-to-grey - or GTG)
TFT (thin film transistor)
Diagonal
24. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
G2G (grey-to-grey - or GTG)
LCD monitor that accepts an analog connection
Worse
Widescreen
25. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
CRT
1400 1050
Screen
2048 1536
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
G2G (grey-to-grey - or GTG)
1024 768
Resolution
Degauss
27. 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)
Viewing angle
Composite
Return policy
28. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Dual
1152 864
CCFL (Cold Cathode Fluorescent Lamp)
CRT
29. ____ 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.
Video card
Refresh
IPS (In Plane Switching)
1920 1200
30. The ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
DVI-I (digital video-integrated)
both video and audio input
1152 864
LCD monitor that accepts an analog connection
31. ____ 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
Dual link
Resolution
Adapter
32. 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.
1280x720 1920x1080
LCD
Widescreen
6
33. 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.
6
4:3
Aperture grill
CCFL (Cold Cathode Fluorescent Lamp)
34. 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
DVI-D (digital video-digital)
Color shift
30 99
35. 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
Aspect ratio
both video and audio input
Dot pitch
36. ____ 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)
Dead
Dual
1152 864
37. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
720p 1080i
Dot pitch
Degauss
LED (Light Emitting Diode)
38. ____ 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.
G2G (grey-to-grey - or GTG)
Video card
Worse
LCD
39. 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
IPS (In Plane Switching)
Color shift
40. Having a few dead ____ can be common on many displays.
Shadow mask
Progressive scanning
DVI-D (digital video-digital)
Pixels
41. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
1600 1200
VA (Vertical Alignment)
Analog output
G2G (grey-to-grey - or GTG)
42. 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.
LED (Light Emitting Diode)
Degauss
IPS (In Plane Switching)
Refresh
43. 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.
Interlacing
Response time
Resolution
Speakers USB
44. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
both video and audio input
DisplayPort
Dynamic
45. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Pixels
Static
Higher sharper
DVI-A connection
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.
720p 1080i
Video card
Response time
Resolution
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Analog
1024 768
LED (Light Emitting Diode)
640 480
48. 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.
1280x720 1920x1080
Higher sharper
Video card
IPS (In Plane Switching)
49. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Video card
Brightness
1152 864
50. 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
Screen
16:9
CRT
Viewing angle