Definition

1. Noun:
   • A unit of digital information or computer storage: An exabyte is an extremely large unit of data measurement. It has two primary definitions based on the context of use.

     • In the field of computing and digital storage, based on binary (base-2) calculations, one exabyte (EB) is equal to 1,024 pebibytes or 2⁶⁰ (1,152,921,504,606,846,976) bytes.
     • In data communications and some storage contexts, using the decimal (base-10) system, one exabyte is equal to 1,000 petabytes or 10¹⁸ (1,000,000,000,000,000,000) bytes.

Usage Examples

• Noun:
  • The total amount of data generated globally each year is now measured in exabytes.
  • A single exabyte of storage could hold hundreds of billions of high-resolution photographs.
  • The difference between the binary and decimal definitions of an exabyte is significant for precise technical specifications.

Advanced Usage

• "Exabyte-scale": Used as an adjective to describe systems, storage, or data flows that operate at the magnitude of exabytes.
  • The research facility requires exabyte-scale storage for its particle physics experiments.
• The binary exabyte (2⁶⁰ bytes) is sometimes formally called an exbibyte (EiB) to avoid confusion with the decimal exabyte (10¹⁸ bytes). This distinction is crucial in fields like data science and computer engineering.

Variants and Related Words

• Exbibyte (EiB) (n): The formal binary unit equal to 1,024 pebibytes or 2⁶⁰ bytes. This term is used to explicitly distinguish it from the decimal exabyte.
• Petabyte (PB) (n): A unit of information equal to 1,024 tebibytes (binary) or 1,000 terabytes (decimal). One exabyte contains 1,024 or 1,000 petabytes.
• Zettabyte (ZB) (n): The next larger unit of data. One zettabyte contains 1,024 exbibytes (binary) or 1,000 exabytes (decimal).

Synonyms

• EB: The standard abbreviation for exabyte.
• Large-scale data unit: A descriptive synonym emphasizing its immense size.

Related Phrases

• Exabyte of data: A common phrase referring to a specific quantity of information.
  • The new data center is designed to manage an exabyte of data.
• Exabyte era: A term describing the current period where global data generation and storage have reached exabyte levels.
  • We are living in the exabyte era, where data is generated at an unprecedented rate.

Noun

1. a unit of information equal to 1024 pebibytes or 2^60 bytes
2. a unit of information equal to 1000 petabytes or 10^18 bytes