Multiple choice

In which addressing mode does the content of a register, specified in the instruction, is first decremented and then used as the effective address of the operands?

  1. Index addressing

  2. Indirect addressing

  3. Auto increment

  4. Auto decrement

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In auto-decrement addressing, the register is decremented before its value is used as the address for the operand.