Discussion
1024∗1024∗1024 bytes is :
Answer: C
1024 × 1024 × 1024 bytes is 1 GB.
Each step up the binary scale multiplies by 1024:
\[ \begin{aligned} 1024\ \text{bytes} &= 1\ \text{KB} \\ 1024\ \text{KB} &= 1\ \text{MB} \\ 1024\ \text{MB} &= 1\ \text{GB} \end{aligned} \]
So \(1024^3 = 2^{30}\) bytes is one gigabyte.
1 KB is only 1024 bytes and 1 MB is \(1024^2\) bytes, so those options stop one or two steps short. 1 TB would need a fourth factor of 1024, that is \(2^{40}\) bytes.
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