Microprocessor
ALU (Arithmetic and Logic Unit ) of 8085 microprocessor consists of

 Accumulator, temporary register, arithmetic and logic circuits
 Accumulator, temporary register, arithmetic, logic circuits and five flags
 Accumulator, arithmetic and logic circuits
 Accumulator, arithmetic, logic circuits and five flags

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Microprocessor
In 8085

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

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Microprocessor
When RET instruction is executed by any subroutine then

 the PC will be incremented after the execution of the instruction.
 without any operation, the calling program would resume from instruction immediately following the call instruction and also the PC will be incremented after the execution of the instruction.
 the top of the stack will be popped out and assigned to the PC.
 without any operation, the calling program would resume from instruction immediately following the call instruction.

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