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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. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
G2G (grey-to-grey - or GTG)
Digital
Flat displays
CRT native
2. 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.
Adapter
1280x720 1920x1080
G2G (grey-to-grey - or GTG)
Physical effective
3. Having a few dead ____ can be common on many displays.
Pixels
Widescreen
G2G (grey-to-grey - or GTG)
CRT
4. 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.
Brighter
Interlacing
Dual link
Resolution
5. DisplayPort does not use ______ than DVI and HDMI.
Higher voltage
1600 1200
Debris
1920 1200
6. 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.
DB-15
Pixels
Physical effective
4:3
7. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Screen
Aspect ratio
DVI-A (digital video-analog)
640 480
8. 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).
1280 1024
1400 1050
DVI-A connection
HDTV
9. ____ 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
CRT
1024 768
Video card
HDMI (High-Definition Multimedia Interface)
10. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
1680 1050
CRT
Worse
Static
11. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
1920 1200
CRT
Contrast ratio
D-sub
12. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Dual
1280x720 1920x1080
Laptop
13. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Widescreen
Brighter
CRT
14. 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.
Aperture grill
IPS (In Plane Switching)
Dead
1680 1050
15. You can connect analog CRT monitors to a video card with a...
D-sub connector
Speakers USB
1680 1050
1024 768
16. 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.
LCD
Contrast ratio
6
Resolution
17. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
Aspect ratio
Video card
U V color
D-sub
18. Additional monitor features include built in ____ or ____ hub.
Shadow mask
800 600
DisplayPort
Speakers USB
19. 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
Dead pixel
LED (Light Emitting Diode)
1280 1024
Dynamic
20. 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 ____.
DVI-D (digital video-digital)
LED (Light Emitting Diode)
Converter box
CCFL (Cold Cathode Fluorescent Lamp)
21. 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 ____.
DVI-A (digital video-analog)
1280x720 1920x1080
TFT (thin film transistor)
VA (Vertical Alignment)
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Shadow mask
G2G (grey-to-grey - or GTG)
LED (Light Emitting Diode)
800 600
23. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Brightness
Analog CRT monitor
DVI-D (digital video-digital)
Widescreen
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Dot pitch
Refresh
1152 864
Degauss
25. 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.
Dead
DVI-A connection
Adapter
Return policy
26. Additional monitor features include built in ____ or ____ hub.
Color shift
Speakers USB
LED (Light Emitting Diode)
1600 1200
27. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
720p 1080i
1280 1024
1680 1050
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Aspect ratio
Static
Dot pitch
1024 768
29. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
D-sub
U V color
Analog CRT monitor
Resolution
30. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
CCFL (Cold Cathode Fluorescent Lamp)
Dual
Analog
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.
TV-tuner
Separately
Adapter
Dead
32. ____ 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.
Higher sharper
IPS (In Plane Switching)
Single source
Single link
33. ____ cable and female port.
S-video
640 480
D-sub connector
Debris
34. If you are concerned about dead pixels - review the ____ before purchasing.
DVI-A connection
Speakers USB
Return policy
1920 1200
35. 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.
Normal
DVI-A (digital video-analog)
Brighter
VA (Vertical Alignment)
36. 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
1920 1200
1680 1050
Backlight
TV-tuner
37. 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
VA (Vertical Alignment)
Converter box
Interlacing
38. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
Worse
Speakers USB
CCFL (Cold Cathode Fluorescent Lamp)
39. 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).
Dynamic
1280 1024
Brighter
DB-15
40. 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
1152 864
Single
640 480
41. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
1400 1050
Shadow mask
Pixel pitch
perture grill
42. 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.
Interlacing
Pixels
1680 1050
DB-15
43. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is
perture grill
TFT (thin film transistor)
G2G (grey-to-grey - or GTG)
External
44. 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.
Dot pitch
1400 1050
Viewing angle
CCFL (Cold Cathode Fluorescent Lamp)
45. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Interlacing
1920 1200
LCD
Composite video
46. ____ panels are the most expensive type of panel - and could be difficult to find.
Refresh
Degauss
IPS (In Plane Switching)
6
47. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
DB-15
Flat displays
Brighter
Resolution
48. 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.
Dead pixel
Higher sharper
Response time
VN (Twisted Nematic)
49. ____ 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.
TFT (thin film transistor)
CRT
IPS (In Plane Switching)
1280x720 1920x1080
50. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Flat displays
Widescreen
HDCP
Separately