Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Instruction cycle
 Machine cycle
 Memory cycle
 Clock cycle

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Microprocessor
In a vector interrupt

 the branch address is obtained from a register in the processor.
 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.

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Microprocessor
Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low.

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

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