A- Draw A typical circuit of DC discrete input module. What is the function of each component in the circuit. Please solve the question by your handwritten [ 4 points ] B-What are the main differences between: [ 6 points ] 1- Modular type and compact type PLC. 2- PLC and computer. 3- Executive Memory and system memory in PLC. C-Connect to PLC these devices according to the input and output specified: [6 points] 1- 3 wire, 24v NPN proximity sensor to sink input PLC. 2- 3 phase, 400 v, 10 KVa motor to relay output module. 3- 50 W, 24 DC lamp to DC source output module with 2 A rated. 4-2 wire NPN proximity sensor to source input module