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In a program using subroutine call instruction, it is necessary ___________

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In a program using subroutine call instruction, it is necessary ___________

(a) Initialize program counter

(b) Clear the accumulator

(c) Reset the microprocessor

(d) Clear the instruction register

The question was posed to me in my homework.

The query is from Symbol Table Organization topic in portion Symbol Table of Compiler

1 Answer

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Best answer
The correct answer is (d) Clear the instruction register

Best explanation: It is mandatory to clear the instruction register.

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