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In case of subroutines, the actual number of instructions executed by the processor depends on

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In case of subroutines, the actual number of instructions executed by the processor depends on

(a) loop count

(b) length of interrupt service routine

(c) length of procedure

(d) none

I got this question in exam.

Enquiry is from Timings and Delays topic in division Special Architectural Features and Related Programming of Microprocessor

1 Answer

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by (49.2k points)
Right option is (c) length of procedure

Easy explanation: In case of subroutines or interrupt service routines, the number of instructions executed by the processor depends on the length of procedure (or subroutine) or length of interrupt service routine along with the main calling program.

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