Question: Explain how a subroutine, an interrupt service routine, and an exception handler differ with regard to these aspects. a. Invoking source, (i.e., what causes

Explain how a subroutine, an interrupt service routine, and an exception handler

 

Explain how a subroutine, an interrupt service routine, and an exception handler differ with regard to these aspects. a. Invoking source, (i.e., what "causes" execution) b. Conditions when invoked, (i.e., where and when execution occurs in CPU operation) c. CPU actions after invoked but before execution d. Return from execution

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a Invoking source Subroutine A subroutine is explicitly called by a program using a specific call instruction or equivalent It is invoked intentionall... View full answer

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