| Term | Meaning |
| Bit | 1 binary digit: 0 or 1 |
| Byte | 8 bits |
| Kilobyte (Kb) | 1,000 bytes |
| Megabyte (Mb) | 1,000 kilobytes |
| Gigabyte (Gb) | 1,000 megabytes |
| Terabyte (Tb) | 1,000 gigabytes |
| Petabyte (Pb) | 1,000 terabytes |
| Exabyte (Eb) | 1,000 petabytes |
| Zettabyte (Zb) | 1,000 exabytes |
| Yottabyte (Yb) | 1,000 zettabytes |