How many megabytes are in 1 gigabyte?

In digital storage, 1 gigabyte equals 1024 megabytes, based on the binary system used in computing (2^10). This conversion is standard for measuring memory and storage capacities in devices like computers and smartphones. Understanding this is crucial for managing data efficiently. Options A, C, and D are incorrect, as 1024 megabytes accurately defines a gigabyte in the context of computer storage systems.