Microprocessor
While STC instruction executes,

 only carry and zero flags will be affected.
 no flags will be affected.
 only carry flag will be affected.
 all flags will be affected.

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Microprocessor
In 8085

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

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

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