Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 four times the desired frequency
 equal to the desired frequency
 twice the desired frequency
None of these

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Microprocessor
The interrupt facility is provided in microprocessor to

 stop the microprocessor when desired
 change the sequence of the instructions being executed
 keep a control on the working of the microprocessor
 stop the microprocessor when it starts malfunctioning

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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.

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

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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.

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

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