The _____ addressing mode is similar to register indirect addressing mode, except that an offset is added to the contents of the register. The offset and register are specified in the instruction.
(A) Base indexed
(B) Base indexed plus displacement
(C) Indexed
(D) Displacement
Answer: (D)
Explanation:
- The displacement addressing mode is similar to register indirect addressing mode, except that an offset is added to the contents of the register. The offset and register are specified in the instruction.
- Based Indexed Addressing: The operand’s offset is sum of the content of a base register BX or BP and an index register SI or DI.
- Based Indexed plus displacement addressing mode: In this mode of addressing the operand’s offset is given by offset=[BX or BP]+[SI or DI]+8 bit or 16 bit displacement.
- Indexed addressing mode: The operand’s offset is the sum of the content of an index register SI or DI and an 8 bit or 16 bit displacement.
So, option (D) is correct.
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