Definition of megabyte

megabytenoun

megabyte

/ˈmeɡəbaɪt//ˈmeɡəbaɪt/

The term "megabyte" is a measurement of digital storage capacity commonly used in the tech industry. It is derived from the prefix "mega-" (meaning one million or 1000000 times) and the unit "byte" (a unit used to measure digital information). In binary notation, a byte is equal to 8 bits, which can represent 256 possible values. A kilobyte (KB) is therefore 1024 bytes, a megabyte (MB) is 1024 kilobytes, and a gigabyte (GB) is 1024 megabytes. The prefix "mega-" originates from the Greek prefix "meg-" which means "large" or "great." This prefix has been adapted into modern English and is widely used in various fields, including science, technology, and engineering. The term "byte" comes from the ancient Greek word "byta," which means "weight." However, in modern English, the term "byte" refers specifically to a unit used to measure digital information, particularly in relation to computer memory and storage capacity. Overall, the term "megabyte" combines two common units of measurement in order to describe a meaningful and easily understandable measure of digital storage capacity in everyday use.

Summary
typeDefault_cw
meaningMột đơn vị đo lường dung lượng lưu trữ, xấp xỉ bằng 1 triệu byte (1 048 576 bytes)
namespace

a unit of computer memory or data, equal to 10 6, or 1 000 2, (= 1 000 000) bytes

một đơn vị bộ nhớ máy tính hoặc dữ liệu, bằng 10 6, hoặc 1 000 2, (= 1 000 000) byte

Example:
  • a 512-megabyte flash drive

    ổ đĩa flash 512 megabyte

a unit of computer memory or data, equal to 2 20, or 1 024 2, (= 1 048 576) bytes

một đơn vị bộ nhớ máy tính hoặc dữ liệu, bằng 2 20, hoặc 1 024 2, (= 1 048 576) byte