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This article mainly introduces the computer 2mb picture is how wide and high, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

The picture is made up of pixels, if it is a bitmap, suppose it is 32 colors, 2m ^ 2 * 2 ^ 20 = 2 ^ 21, 32 colors is 2 ^ 5, that is 256 '256. The 2m specification of the digital camera refers to 2 million pixels, which generally refers to the format of 1600X1200. File size is not necessarily, according to the color of the image, depth, is a changing value.

The operating environment of this tutorial: windows7 system, Dell G3 computer.

The picture is made up of pixels. If it is a bitmap, it is assumed to be 32 colors, 2m 2 * 2 ^ 20 = 2 ^ 21. The 32 color is 2 ^ 5; the remaining 2 ^ 16 = 2 ^ 8 * 2 ^ 8; that is 256 ^ 256.

On the digital camera, the target 2m specification refers to 2 million pixels, which generally refers to the format of 1600X1200. File size is not necessarily, according to the color of the image, depth, is a changing value. The 2m in the computer is a text size, in bytes B.

Extended data:

2MB is 2000KB K=10242MB K is a thousand, one KB is 2000KB 2000MB 2 G is a thousand units. It is actually in units of 1024. The size of the photo is determined by the pixels of the camera. For example, with 8 million pixels.

Photo 2m refers to a 2-megapixel photo with a normal 4:3 scale and a size of 1600 to 1200. The specific file size depends on the fineness of the camera settings, generally no more than 1000KB.

This size is not certain, it depends on the accuracy of the picture, if it is taken by the digital camera, it depends on the pixels of the digital camera. 1024*2=2048KB, the size is calculated according to the resolution, 800 "600" 480000800 and 600 are pixels, 480000 is the resolution 480000, that is, the photo size.

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