クロック信しん号ごうクロックしんごうMeanings1nounclock signal; clock pulsecomputingA timing signal used in digital circuits to synchronize operations; a fundamental concept in computer architecture and electronics.CPUはクロック信しん号ごうに合あわせて命めい令れいを実じっ行こうする。The CPU executes instructions in sync with the clock signal.