シフト演えん算ざん機き構こう

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Meanings

1

noun

shift arithmetic unit

computing

A hardware component in a computer's arithmetic logic unit (ALU) that performs bit-shift operations. Technical computing term.

演えん算ざん機き構こう
A general arithmetic unit; シフト演算機構 specifically handles shift operations.
ALU
Arithmetic Logic Unit; シフト演算機構 is a part of the ALU responsible for shift operations.

Compound of シフト (shift) + 演算 (arithmetic operation) + 機構 (mechanism/unit). A direct calque from English 'shift arithmetic unit'.