Microprocessor
Which of the following statements for intel 8085 is correct?

 PC specifies the address of the instruction to be executed
 PC specifies the address of the instruction being executed
 PC specifies the number of instructions executed so far
 Program Counter (PC) specifies the address of the instruction last executed

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Microprocessor
When referring to instruction words, a mnemonic is

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

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