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In terms of memory in computer speak 500MB is actually 512MB. Why? Due to the Binary Numbering System, computers operate in the powers of 2.

So take a normal Kilo, 1000 in normal life, true. In computers it is the closest to the power of 2 to 1000.

This equates to 2 to the power of 10 or 1024. Mega then is two to the power of 20, or 1,048,576.

2, 4, 8, 16, 32, 64, 128, 256, 512, 1024

I hope this gives the reason behind the differing numbers when it comes to computers or things electronic.

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13y ago

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