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Orders of magnitude of data. The yottabyte is a multiple of the unit byte for digital information. The prefix yotta indicates multiplication by the eighth power of 1000 or 1024 in the International System of Units (SI), and therefore one yottabyte is one septillion (one long scale quadrillion) bytes. The unit symbol for the yottabyte is YB.
Megabyte. Abbreviated as meg or mbit, MB is short for megabyte. An MB is a measurement used with computer storage media that can equal to 1,048,576 (2 20) bytes or 1,000,000 (10 6) bytes depending on the manufacturer of a hardware device or the developer of software.Tip: When the b is lowercase (Mb), this refers to a megabit.n MB is a measurement used with computer storage media that can equal to 1,048,576 (2 20) bytes or 1,000,000 (10 6) bytes depending on the manufacturer of a hardware device or the developer of software. Tip: When the b is lowercase (Mb), this refers to a megabit.