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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. 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.
Response time
Shadow mask
IPS (In Plane Switching)
Progressive scanning
2. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1400 1050
Single source
CRT
1280x720 1920x1080
3. ____ (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.
1152 864
D-sub
Dot pitch
720p 1080i
4. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
DB-15
6
4:3
CRT
5. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Dual link
Better
16:9
Speakers USB
6. 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
1600 1200
DisplayPort
Resolution
1680 1050
7. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Aspect ratio
4:3
1920 1080
1152 864
8. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Y UV
Resolution
Converter box
Progressive scanning
9. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
CRT
Better
Pixel pitch
Interlacing
10. DVI-D ____ link cable.
Single
1920 1200
Response time
1600 1200
11. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
Y UV
720p 1080i
Flat displays
12. 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.
Converter
30 99
Resolution
6
13. 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
Brighter
VA (Vertical Alignment)
Viewing angle
Higher sharper
14. 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.
Progressive scanning
DisplayPort
VN (Twisted Nematic)
Dynamic
15. 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.
G2G (grey-to-grey - or GTG)
RCA
VN (Twisted Nematic)
perture grill
16. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
Degauss
Worse
Contrast ratio
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Contrast ratio
G2G (grey-to-grey - or GTG)
1600 1200
30 99
18. You can use a DVI-to-HDMI cable to connect the ____ output from a video card to a monitor or an HDTV device that has an HDMI connector. However - this configuration only supplies video - and not audio - to the display device.
Dynamic
IPS (In Plane Switching)
DVI-D (digital video-digital)
both video and audio input
19. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Flat displays
1024 768
Interlacing
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
Utilities
Debris
CRT
21. 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.
Interlacing
Response time
Contrast ratio
Resolution
22. 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.
1920 1200
Aperture grill
Single link
Progressive scanning
23. You can connect analog CRT monitors to a video card with a...
Utilities
Screen
1600 1200
D-sub connector
24. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
720p 1080i
VA (Vertical Alignment)
6
25. 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
16:9
Normal
IPS (In Plane Switching)
Degauss
26. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
LED (Light Emitting Diode)
IPS (In Plane Switching)
Interlacing
27. Additional monitor features include built in ____ or ____ hub.
Higher sharper
Debris
Speakers USB
4:3
28. As with composite and s-video - audio must be supplied to the device...
Shadow mask
Flat displays
Separately
TFT (thin film transistor)
29. 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.
Brighter
Aperture grill
IPS (In Plane Switching)
Utilities
30. ____ (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.
Speakers USB
1400 1050
Composite
720p 1080i
31. 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.
Dead
Static
both video and audio input
Video card
32. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Color shift
DisplayPort
Flat displays
DVI-D (digital video-digital)
33. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
CRT
CCFL (Cold Cathode Fluorescent Lamp)
Interlacing
Response time
34. 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
Normal
Aspect ratio
Shadow mask
16:9
35. 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.
1280x720 1920x1080
perture grill
Aspect ratio
External
36. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Resolution
DVI-D (digital video-digital)
D-sub
Debris
37. 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.
Flat displays
6
Aspect ratio
G2G (grey-to-grey - or GTG)
38. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
VA (Vertical Alignment)
DVI-I (digital video-integrated)
perture grill
39. ____ female port.
Flat displays
Dot pitch
DVI-D (digital video-digital)
1680 1050
40. 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.
Resolution
Video card
CCFL (Cold Cathode Fluorescent Lamp)
16:9
41. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
1152 864
Resolution
Brightness
DB-15
42. The ____ is the ratio of the width and the height.
Aspect ratio
Backlight
LCD monitor that accepts an analog connection
Utilities
43. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
Refresh
1600 1200
Dot pitch
44. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
HDTV
Resolution
Physical effective
Analog
45. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Resolution
Better
Utilities
Y UV
46. 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.
D-sub
Refresh
6
Splits the signal
47. 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
External
Dead pixel
Degauss
Response time
48. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Converter box
Worse
Response time
CRT
49. Pressing lightly on the ____ may revive the pixel.
Response time
Analog output
1920 1200
Screen
50. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Backlight
Dead
Higher sharper
Normal