Three memory bytes in the various length format acquired at the stage of microprocessor sequencing

Q.  Which add instruction/s occupy the three memory bytes in accordance to the various length format acquired at the stage of microprocessor sequencing?
- Published on 19 Oct 15

a. Add B to A
b. Add immediate operand to A
c. Add operand specified by an address to A
d. All of the above

ANSWER: Add operand specified by an address to A

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