petabit
Học thuậtThân thiện
Definition
- Noun:
- A unit of digital information or computer storage: A petabit is a specific measurement unit in computing and data communications, representing 10^15 bits or 1,000 terabits. It is used to quantify extremely large volumes of data.
Usage
- The term "petabit" is used in technical contexts related to data transfer rates, network bandwidth, or theoretical storage capacities. It is a precise, large-scale unit within the decimal (metric) system of data measurement.
Examples
- Noun:
- The new undersea cable has a total capacity of several petabits per second.
- Researchers are developing storage technologies that could one day hold a petabit of data on a single device.
Advanced Usage
- "Petabit-scale": Used as an adjective to describe systems, networks, or research dealing with capacities or speeds on the order of petabits.
- The project focuses on petabit-scale networking for future data centers.
Variants and Related Words
- Petabyte (PB): A related but distinct unit of digital information storage, equal to 10^15 bytes or 8 petabits. It is crucial not to confuse bits (petabit) with bytes (petabyte).
- Terabit (Tb): A unit equal to 1,000 gigabits or 10^12 bits. 1,000 terabits equal one petabit.
- Bit: The most basic unit of information in computing, representing a binary digit (0 or 1).
Synonyms
- Pb (standard abbreviation).
- 10^15 bits.
Notes on Meaning
- Primary Meaning: The standard, technical meaning is a unit of 10^15 bits.
- Contextual Clarification: In some historical or specific technical fields, binary prefixes might be used (where 1 petabit might equal 1,125,899,906,842,624 bits or 2^50 bits). However, in modern standard usage (e.g., in data communications and with most storage manufacturers), the decimal definition (10^15) is predominant for this term. The context usually makes the intended meaning clear.
Noun
- a unit of information equal to 1000 terabits or 10^15 bits