1-How can the CPU recognize the device requesting an interrupt? 2-Since different devices are likely to require different interrupt service routines, how can the CPU obtain the starting address of the appropriate routine in each case? 3-Should any device be allowed to interrupt the CPU while another interrupt is being serviced? 4-How can the situation be handled when two or more interrupt requests occur simultaneously?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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1-How can the CPU recognize the device requesting an interrupt?
2-Since different devices are likely to require different interrupt service routines, how can the CPU obtain the starting address of the
appropriate routine in each case?
3-Should any device be allowed to interrupt the CPU while another interrupt is being serviced ?
4-How can the situation be handled when two or more interrupt requests occur simultaneously?
Transcribed Image Text:1-How can the CPU recognize the device requesting an interrupt? 2-Since different devices are likely to require different interrupt service routines, how can the CPU obtain the starting address of the appropriate routine in each case? 3-Should any device be allowed to interrupt the CPU while another interrupt is being serviced ? 4-How can the situation be handled when two or more interrupt requests occur simultaneously?
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