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I think sadpanda has the right answer for you. Basically to reiterate what he said:
By normall math 1K = 1000
But computers think in Binary which is why everything must to the power of 2. 1024 is the nearest binary number to 1000.
Thus 1 Kb = 1024 bytes
To use my 60 Gb drive as a example
The drive is 59, 962, 290, 176 bytes which one would normally read as 60 Gb. But.......
59,962,290,176 / 1024 / 1024 / 1024 = 55.8 Gb
Thus my 60Gb drive has an actuall capacity of 55.8.
I don't think it's marketing lies, I just think that most people would be confused to tell them that 1Kb = 1024 bytes.
By normall math 1K = 1000
But computers think in Binary which is why everything must to the power of 2. 1024 is the nearest binary number to 1000.
Thus 1 Kb = 1024 bytes
To use my 60 Gb drive as a example
The drive is 59, 962, 290, 176 bytes which one would normally read as 60 Gb. But.......
59,962,290,176 / 1024 / 1024 / 1024 = 55.8 Gb
Thus my 60Gb drive has an actuall capacity of 55.8.
I don't think it's marketing lies, I just think that most people would be confused to tell them that 1Kb = 1024 bytes.