Least significant bit

Updated: 10/07/2019 by Computer Hope
Least significant bit

Sometimes abbreviated as LSB, the least significant bit is the lowest bit in a series of numbers in binary. It is either the leftmost or rightmost bit in a binary number, depending on the computer's architecture. If the LSB is on the right, the architecture is called "little-endian." If the LSB is on the left, the architecture is called "big-endian." For example, in a little-endian architecture, the LSB of binary number 00000001 is 1.

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