Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 serial I/O is possible through SIM and RIM instruction
 there is a pin available for serial output
 serial I/O is not possible
 there is a pin available for serial input

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Microprocessor
When referring to instruction words, a mnemonic is

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

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