10. Suppose that the following instructions are found at the given locations in memory (8 points) 21 LDA 50 22 ADD 51 Addresses 21-22 represent the program area Addresses 50-51 represent the data area 50 734 51 16 Show the contents of each register as each step of the fetch-execute cycle is performed for: Instruction: 21 a. LDA 50 (in decimal 550) PC MAR MDR IR 1. PC-MAR 2. MDR-IR 3. IR[addr]-MAR 4. MDR-A 5. PC+1-PC b. Show the contents of each register as each step of the fetch-execute cycle is performed for: Instruction: 22 ADD 51 (in decimal 151) PC MAR MDR IR 1. PC> MAR 2. MDR-IR 3. IR[addr]-MAR 4. MDR+A-A 5. PC+1-PC 10. Suppose that the following instructions are found at the given locations in memory (8 points) 21 LDA 50 22 ADD 51 Addresses 21-22 represent the program area Addresses 50-51 represent the data area 50 734 51 16 Show the contents of each register as each step of the fetch-execute cycle is performed for: Instruction: 21 a. LDA 50 (in decimal 550) PC MAR MDR IR 1. PC-MAR 2. MDR-IR 3. IR[addr]-MAR 4. MDR-A 5. PC+1-PC b. Show the contents of each register as each step of the fetch-execute cycle is performed for: Instruction: 22 ADD 51 (in decimal 151) PC MAR MDR IR 1. PC> MAR 2. MDR-IR 3. IR[addr]-MAR 4. MDR+A-A 5. PC+1-PC