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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. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
U V color
Resolution
Pixel pitch
2. 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.
G2G (grey-to-grey - or GTG)
Screen
VN (Twisted Nematic)
1280 1024
3. ____ 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.
30 99
Brightness
DisplayPort
Composite
4. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
analog digital
Digital
External
CRT
5. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
1152 864
Separately
DVI-D (digital video-digital)
Dot pitch
6. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Aspect ratio
Higher sharper
Single link
Color shift
7. 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.
HDTV
DVI-A connection
Analog CRT monitor
Analog output
8. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
Interlacing
Pixel pitch
TV-tuner
9. 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.
Better
DB-15
Dual link
Response time
10. ____ 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
Single
Video card
S-video
11. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
VA (Vertical Alignment)
Higher sharper
Dual
Pixels
12. ____ on the screen can be mistaken for a dead pixel.
Debris
1152 864
1280 1024
Brighter
13. A ____ connection on a video card provides both analog and digital output.
30 99
Single source
Separately
DVI-I (digital video-integrated)
14. DVI-D ____ link cable.
Return policy
CRT
1024 768
Dual
15. 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.
VN (Twisted Nematic)
D-sub connector
Pixels
DVI-A (digital video-analog)
16. 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.
Brighter
1600 1200
Video card
HDMI (High-Definition Multimedia Interface)
17. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Dead pixel
640 480
720p 1080i
DVI-D (digital video-digital)
18. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
DB-15
Interlacing
DVI-D (digital video-digital)
19. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Aspect ratio
1600 1200
Composite video
20. 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
Shadow mask
30 99
1280x720 1920x1080
21. 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.
CRT native
VN (Twisted Nematic)
Analog
16:9
22. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
perture grill
Static
DVI-I DVI-D
Laptop
23. 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.
IPS (In Plane Switching)
Resolution
Widescreen
Speakers USB
24. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
CRT
Worse
Better
IPS (In Plane Switching)
25. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
HDTV
Viewing angle
CCFL (Cold Cathode Fluorescent Lamp)
HDCP
26. 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.
Progressive scanning
Debris
Analog output
LCD
27. 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.
Backlight
30 99
U V color
IPS (In Plane Switching)
28. ____ 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.
Analog output
IPS (In Plane Switching)
HDMI (High-Definition Multimedia Interface)
Dynamic
29. 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)
Color shift
7
Brighter
30. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
800 600
Resolution
Backlight
Widescreen
31. 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
Contrast ratio
1920 1080
External
32. The ____ contrast ratio indicates the difference that can be displayed at the same time.
D-sub
Static
G2G (grey-to-grey - or GTG)
Dead
33. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Viewing angle
Pixel pitch
IPS (In Plane Switching)
Resolution
34. ____ 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.
Resolution
CRT
Backlight
Diagonal
35. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
1152 864
Contrast ratio
Debris
CRT native
36. Additional monitor features include built in ____ or ____ hub.
DB-15
Speakers USB
1600 1200
1920 1080
37. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Video card
16:9
CRT native
Pixel pitch
38. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
VA (Vertical Alignment)
CRT
640 480
VN (Twisted Nematic)
39. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
1024 768
Dual
TFT (thin film transistor)
40. 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
Physical effective
Converter
1152 864
16:9
41. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
both video and audio input
Response time
Analog
Dot pitch
42. You can connect analog CRT monitors to a video card with a...
DB-15
HDCP
Shadow mask
D-sub connector
43. 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).
CRT
DVI-D (digital video-digital)
1280 1024
DB-15
44. 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.
CRT
Higher voltage
Pixels
DVI-I (digital video-integrated)
45. The HDTV connector uses a ____-pin mini-din cable.
Dot pitch
Video card
7
Response time
46. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
Dead pixel
800 600
LCD monitor that accepts an analog connection
LED (Light Emitting Diode)
47. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Aspect ratio
Higher voltage
G2G (grey-to-grey - or GTG)
DVI-I (digital video-integrated)
48. 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 ____.
Interlacing
4
1680 1050
1280x720 1920x1080
49. 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.
Pixel pitch
Debris
Brightness
Aperture grill
50. The D-sub connector on a video card provides....
Widescreen
LCD
16:9
Analog output