1. Given R = 20, PC = 12 and index register X = 15, show the value of the accumulator for the following instructions. All memory locations contain the value Q +2. Each instruction uses three memory locations. a) LDAC 10 b) LDAC @10 c) LDAC R d) LDAC @R e) LDAC #10 f) LDAC $10 g) LDAC 10(X)