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I want to know that what is the exact reason behind memory difference in our hard drives or pen drives .
As when we say , We have a pen drive of 4GB but actual usable space is 3.7GB . What happens to the rest of memory? Are the manufacturing companies stealing these memory spaces from us or there is any technical reason behind this?
Thanks,
Nitesh Kumar
They use decimal prefixes, you’re using binary prefixes. This gives a discrepancy of approximately 2.4% per prefix magnitude.