Mb, Gb, and Tb Explained.

Understanding how digital information is measured

In the last couple of years, we have witnessed a tremendous evolution in the world of smartphones. Compared to the modern smartphones we have today vs. 5 years ago, it's easy to see the magnitude of the change. You may know your smartphone holds 64 GB, but do you really know what that means? In today's article Mb, Gb, and Tb will be explained.

Data sizes are usually measured in 'bytes', and broadband speeds are measured in 'bits'. Based on the file size and your connection speed, you can estimate how long it'll take you to download something. Here are some of the terms you may come across in the world of computing to describe disk space, or data storage space.

Bit: A Bit is the smallest unit of data that a computer uses. It can be used to represent two states of information, such as Yes or No.

Byte: A Byte is equal to 8 Bits. A Byte can represent 256 states of information, for example, numbers or a combination of numbers and letters. 1 Byte could be equal to one character. 10 Bytes could be equal to a word. 100 Bytes would equal an average sentence.

Kilobyte (Kb): A Kilobyte is approximately 1,000 Bytes, actually 1,024 Bytes depending on which definition is used. 1 Kilobyte would be equal to this paragraph you are reading, whereas 100 Kilobytes would equal an entire page.

Megabyte (Mb): A Megabyte or Mb is approximately 1,000 Kilobytes. In the early days of computing, a Megabyte was considered to be a large amount of data.

Gigabyte (Gb): A Gigabyte or Gb is approximately 1,000 Megabytes. A Gigabyte is still a very common term used these days when referring to disk space or drive storage.

Terabyte (Tb): A Terabyte or Tb is approximately one trillion bytes or 1,000 Gigabytes. To put it in some perspective, a Terabyte could hold about 3.6 million 300 Kilobyte images or maybe about 300 hours of good-quality video. A Terabyte could hold 1,000 copies of the Encyclopedia Britannica. Ten Terabytes could hold the printed collection of the Library of Congress. That’s a lot of data.

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