Microprocessor
S0 and S1 pins are used for

None of these
 acknowledging the interrupt
 serial communication
 indicating the processor’s status

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Microprocessor
In a vector interrupt

 the branch address is assigned to a fixed location in memory.
 none.
 the branch address is obtained from a register in the processor.
 the interrupting source supplies the branch information to the processor through an interrupt vector.

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