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The resolution is measured by
number of dots per inch (dpi), which is equal to
numbers of squares of color in an inch. A standard resolution for an image should be 300dpi and 400dpi for images containing text.
In scanning black and white images, resolution is not that important. You will only have to work on
contrast. Contrast can be adjusted even after scanning.
For multicolored images,
difference between
duplicate and
original is very visible. A scanned color image, when printed, has faded and jagged colors. Meaning,
quality of
image is poor. To, at least, reduce
problem, adjust
resolution of your scanner before you scan. Set your scanner to
standard resolution. The higher
resolution,
better
quality. But setting
resolution can still lead to another problem. It needs a large memory size which means that saving and retrieving require more time.
Scanning helps you edit images but do not expect to have a printed copy better than that of
original. Experiment and enhance your skill in manipulating images.
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You may wonder why I write articles. Besides from the fact that it’s my job, I used to write short stories when I was younger. I think it would be helpful if I said I’m a big fan of Zach de la Rocha and Rage Against the Machine. This would explain my own views about a lot of things. Their songs were about national issues, politics and human rights.