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Question

1 gigabyte is equal to how many megabytes in binary?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
1024

Gigabyte to Megabyte Binary Conversion

Understanding the binary system is key to answering this question. In computing, storage units like Gigabytes (GB) and Megabytes (MB) often use binary prefixes, which are based on powers of 2.

Binary Prefix Definitions

The standard binary prefixes are defined as follows:

  • 1 Kilobyte (KB) = $2^{10}$ Bytes = 1024 Bytes
  • 1 Megabyte (MB) = $2^{10}$ Kilobytes = 1024 Kilobytes
  • 1 Gigabyte (GB) = $2^{10}$ Megabytes = 1024 Megabytes

Calculation for 1 Gigabyte

To find out how many megabytes are in one gigabyte using the binary standard, we use the defined relationship:

$ 1 \text{ GB} = 1024 \text{ MB} $

Therefore, 1 gigabyte is equal to 1024 megabytes in the binary system.

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