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

Answer: (A)