Monitor (Computer Display)


Important Factors for Selecting Monitor:
1- CRT or LCD
2- Size (15 inch - 21 inch)
3- Native resolution (Upto 1280 by 1024 pixel)
4- Aspect ratio
Most LCDs have a screen aspect ratio of about 4:3, much like a regular-format TV. However, wide-screen monitors have an aspect ratio closer to the 16:9 aspect ratio of HDTVs.

5- Viewing angle (Measured in degrees)
6- Flat screen (Only for CRT)
A flat panel monitor may be either a plasma or LCD . These Monitors have wide screens, but are also very thin (a few inches) and have the ability to be hung on the wall like a painting. On the other hand, a flat screen monitor may not be thin at all and may appear more bulky like traditional monitor. It simply has a flat screen across the front of it so viewing angle is no longer reduced by tube curvature. Also, anyone who can see the screen will be able to see the entire picture, and the flat screen eliminates unwanted reflection.
7- the p and i stand for after the format numbers
The p and i stand for progressive or interlaced which refers to the scanning system. In an interlaced format, the screen shows every odd line at one scan of the screen, and then follows that up with the even lines in a second scan. Since there are 30 frames shown per second, the screen shows one half of the frame every sixtieth of a second. For smaller screens, this is less noticeable. As screens get larger, the problem with interlacing is flicker. Progressive scanning shows the whole picture, every line in one showing, every sixtieth of a second. This provides for a much smoother picture.
8- Contrast ratio
This term refers to the difference in light intensity between the brightest white and the darkest black that an LCD can produce. Look for a contrast ratio of 400:1 or better--with anything lower, colors may wash out when you turn up the brightness and may disappear when you turn it down.
9- Brightness
Expressed as candelas per
square meter (cd/m2) or nits,
this specification measures the greatest amount of light that comes from a
screen displaying pure white. Nearly all LCDs have a brightness level of
250cd/m2 or greater, which should be more than sufficient. (In comparison, CRT
monitors typically average about 100 cd/m2--though you might see some
high-brightness CRTs.)
10- Digital versus analog
If you have a graphics card with digital video-out--and if your computer is less than two years old, you probably do--choose an LCD that has DVI digital input. The image won't have to convert from analog to digital and back again, so it will be clearer.
11- TV Tuner
12- Dot Pitch
The distance between dots of the same color (red, green, or blue) on the screen. The smaller the dot pitch, the crisper the image. Standard is .24mm horizontal dot pitch.
Consumer
SOHO (small office/home office)
Enterprise/Corporate
Government/Education
Top reasons to choose CRT:
Manufacturers
|
NO |
Brand | Logo |
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1 |
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2 |
CTX |
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3 |
Dell |
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4 |
EIZO |
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5 |
EnVision |
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6 |
GVision |
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7 |
HP |
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8 |
KDS |
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| 9 | Liyama |
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| 10 | Lacie |
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| 11 | LG |
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| 12 | NEC |
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| 13 | Philips |
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| 14 | Samsung |
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| 15 | Sony |
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| 16 | ViewSonic |
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