Microprocessor
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran. Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

A is wrong R is correct
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
Both A and R are correct and R is correct explanation of A

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Microprocessor
In 8085

P flag is set when the result has odd parity
P flag is set when the result has even parity
P flag is reset when the result has odd parity
P flag is reset when the result has even parity

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Microprocessor
Ready pin of microprocessor is used

 to introduce wait state
 to indicate that microprocessor is ready to receive inputs
 to indicate that microprocessor is ready to receive outputs
 to provide direct memory access

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