Title: HDD Capacity

Q: At the point of writing the largest personal computer hard drive sold on digitec.ch has a capacity of 18 TB, how many letters each 8 bit in size can theoretically be stored on this drive?
- 2.25⋅ 10^12
- 18 ⋅ 10^12 (correct)
- 1.374⋅ 10^11