Microprocessor
The interrupt facility is provided in microprocessor to

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

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Microprocessor
Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR.

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

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Microprocessor
In 8085 microprocessor , let the accumulator contains the value 0AH and register C contains the value 05H. After CMP C instruction is executed, the

 zero and carry flags will be set
 zero and carry flags will be reset
 zero flag will be reset and carry flag will be set
 zero flag will be set and carry flag will be reset

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