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Tuesday, June 26, 2007

Is a picture worth a thousand words?

Let us calculate..
A text file has 1 byte for each character. So a thick novel, with 1,000,000 characters should take about 1MB of space.

Have you counted your email size? A normal e-mail (minus headers & antivirus codes) would take up about 1KB (1,000 chars).

Now pictures..
In a computer, each pixel comprise of three primary colors (red, blue, green).
Each pixel requires 3 bytes.
This means that if you use an average monitor (1024 x 768), you would take up memory:
1024 x 768 x 3 = 2,359,296 bytes!

An average color picture can take up space between hundreds of KB to a few MB.
How many characters does that equal to?

I guess we should now change the term to "a picture is worth a few million words" :)

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