Question

An instruction is stored at location 300 with its address field at location 301. The address field has the value 400. A processor register R1 contains the number 200. Evaluate the effective address if the addressing mode of the instruction is:
i) Autoincrement ii) Autodecrement iii) Relative iv) Register Indirect v) Index with R1 as the index register. ​

Answer 1

Answer:

Explanation:

I)400

II)301

III)701

IV)200

V)600