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Enter a keyword...   ...or choose a category. choose one... Communications Computer Industry Companies Computer Science Data Graphics Hardware Internet and Online Services Mobile Computing Multimedia Networks Operating Systems Programming Software Standards Types of Computers World Wide Web   megabyte Last modified: Tuesday, May 21, 2002  (1) When used to describe data storage, 1,048,576 (2 to the 20th power) bytes. Megabyte is frequently abbreviated as M or MB. (2) When used to describe data transfer rates, as in MBps, it refers to one million bytes.   Related Categories Data Sizes Measurement Windows Related Terms byte gigabyte kilobyte Shopping megabyte Products Compare Products,Prices and Stores Shop by Category: Toys 5 Store Offers Cosmetics 0 Store Offers