1MB equals how many KB?
In fact, 1MB it theoretically waits for 1024KB. So here's a favorite MB and kb meaning bar, they are the computer storage unit, the smallest value is bit, unit is the number of digits, followed by byte, it means that the number of bytes, followed by KB. After KB, it's MB, then GB. The following are the conversion relationships of several units. As shown in the figure:
What do you mean by the actual value and the theoretical value? For example, we theoretically say that the formula above is 1MB=1024KB. and the actual value is only 1000KB size, then because the actual value is some manufacturers of factory standards, these will be in the user to buy the hard drive instructions will be noted. The standard between vendors is that we use the actual value of these units. You said the factory is right to cut corners. This is also a matter of no means.
So here 1MB how big, can hold how many things, to tell the truth is relatively small, if you put the video words that is impossible, because a song mp3 the size of the 3MB.