Microprocessor
When referring to instruction words, a mnemonic is

 a short abbreviation for the operand address.
 a short abbreviation for the operation to be performed.
 a short abbreviation for the data word stored at the operand address.
 shorthand for machine language.

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

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

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