The word Zetta is a prefix used in the metric system, and it stands for 10^21. This means that one zettabyte is equal to 1,000,000,000 terabytes or one trillion gigabytes. It’s an incredibly large number that can be difficult to wrap our heads around – but it’s necessary when dealing with very large files like those associated with big data analysis.

Zettabytes are often used as a unit of measurement for digital storage capacity because they offer more precision than other units like megabytes or gigabytes which only measure up to billions and trillions respectively. They provide us with a better understanding of how much space we have available on our hard drives and other forms of digital storage media such as flash drives or cloud computing services such as Google Drive or Dropbox.

Additionally, this unit can also help us understand how much data we need when transferring information from one place to another over the internet.

In conclusion, the term “Zetta” has become increasingly important due to its use in measuring extremely large amounts of data which could otherwise be impossible without using this specific prefix. As technology continues to evolve, so will our ability to store larger volumes of information- making Zetta an invaluable tool in helping us keep track of everything going on within computer systems today.