KB, MB, and TB are units of digital information storage, representing kilobytes, megabytes, and terabytes, respectively. They are used to measure the size of files and the capacity of storage devices.
Understanding the Units
Here's a breakdown of each unit, based on the provided reference:
- Kilobyte (KB): A kilobyte is equal to 1,024 bytes.
- Megabyte (MB): A megabyte is equal to 1,024 kilobytes.
- Terabyte (TB): Although the original reference defines up to Gigabyte (GB), it is important to note that a terabyte (TB) is equal to 1,024 gigabytes.
Relationships
These units are related hierarchically:
| Unit | Abbreviation | Value in Bytes | Value Compared to Previous Unit |
|---|---|---|---|
| Kilobyte | KB | 1,024 | N/A |
| Megabyte | MB | 1,048,576 | 1,024 KB |
| Gigabyte | GB | 1,073,741,824 | 1,024 MB |
| Terabyte | TB | 1,099,511,627,776 | 1,024 GB |
Practical Examples
- A simple text document might be a few KB in size.
- A high-resolution photo might be several MB in size.
- An entire movie collection might take up several TB of storage space.
