noun
Computing term for bitwise or bytewise shift operations. Often used in contexts like 左桁送り (left shift) or 右桁送り (right shift).
See also: けた移動
この命令はレジスタの値を1ビット左に桁送りする。
This instruction shifts the register value one bit to the left.
桁送り演算は低水準のプログラミングでよく使われる。
Shift operations are often used in low-level programming.
Also means shift, but けた移動 is a more general term for moving digits or columns, while 桁送り specifically implies a bitwise or data shift in computing.
Compound of 桁 (digit, column) and 送り (sending, shifting). The computing sense is a direct calque from English 'shift'.