When a CPU interrupt is issued, the processor pauses what it is doing and processes the signal. Why should the operation be halted so that this action may be carried out? Let's take care of the interrupting process first, then complete the executing process afterwards. explain?

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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When a CPU interrupt is issued, the processor pauses what it is doing and processes the signal. Why should the operation be halted so that this action may be carried out? Let's take care of the interrupting process first, then complete the executing process afterwards. explain?

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