noun
instruction control unit
A hardware component in a CPU that fetches and decodes instructions, managing the execution pipeline. Domain-specific computing term.
命令制御ユニットは、メモリから命令を読み出して実行する。
The instruction control unit reads instructions from memory and executes them.
Compound of 命令 (instruction), 制御 (control), and ユニット (unit). A straightforward technical term with no known historical peculiarities.