Match the type of memory reference to it's definition Immediate addressing absolute/direct addressing 1. The name (the number) of the CPU register is part of the instruction. 2. The "data" is a constant. 3. A register has the address, and when the instruction is done, that register is incremented or decremented. 4. The Base register points to the start, and then another number is added to get there 5. The memory address is part of the instruction base and displacement addressing register mode auto increment/autodecrement