Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 A is true but R is false
 Both A & R are true and R is the correct explanation of A
 Both A & R are true but R is not the correct explanation of A
 A is false but R is true

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Microprocessor
In a vector interrupt

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

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