interrupt
verb
°to disturb or halt an ongoing process or action by interfering suddenly.
"A maverick politician repeatedly interrupted the debate by shouting."
°(computing) To assert to a computer that an exceptional condition must be handled.
"The packet receiver circuit interrupted the microprocessor."
noun
°(computing) An event that causes a computer to temporarily cease what it was doing and attend to a condition.
"The interrupt caused the packet handler routine to run."