Which of the following is/are true of the auto-increment addressing mode? 1. It is useful in creating self-relocating code 2. If it is included in an Instruction set architecture, then an additional ALU is required for effective calculations 3. The amount of increment depends on the size of the data item accessed
- A. 1 only
- B. 2 only
- C. 3 only
- D. 2 and 3 only
Answer: C. 3 only
Explanation: Auto-increment advances the pointer by the size of the data element accessed (e.g., 2 for word, 4 for double).