What unit of measure for computer memory is equal to 1 trillion bytes, or 2^40 bytes?

The unit of measure for computer memory that equals 1 trillion bytes, or 2^40 bytes, is the terabyte (TB). The term "terabyte" is derived from the prefix "tera," which denotes a factor of one trillion or 10^12 bytes. In binary terms, a terabyte is recognized as 2^40 bytes, which is equal to 1,099,511,627,776 bytes. This unit is commonly used to describe storage capacities in data centers, hard drives, and cloud storage options, making it an essential concept in the field of computing and data management.

In contrast, a gigabyte (GB) represents 1 billion bytes (or 2^30 bytes) and is a smaller unit of measure. A petabyte (PB) is significantly larger, equating to 1,000 terabytes or 2^50 bytes, and is used for measuring vast data storage capacities. An exabyte (EB) is even bigger, representing 1 million terabytes or 2^60 bytes. Recognizing the context and scale of these units is crucial for understanding data storage and memory capacities.