## Most Significant Bit

(MSB) Bit n-1 in an n bit binary number, the bit with the greatest weight (2^(n-1)). The first or leftmost bit when the number is written in the usual way.Last updated: 1995-07-13

### Nearby terms:

MOS Technology ♦ most general unifier ♦ **Most Significant Bit** ♦ motd ♦ mother

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