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Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)
An interrupt breaks the execution of instructions and diverts its execution to
A)
control unit
B)
Interrupt service routine
C)
Execution unit
D)
Counter word register

Correct Answer : Option (B) :   Interrupt service routine


Explanation : An interrupt transfers the control to interrupt service routine (ISR). After executing ISR, the control is transferred back again to the main program.

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