1. Design the control unit that would generate the control signals shown in Table 1.

2. Draw a circuit diagram of the calculator showing the connections for all the components.

Table 1. Control signals for RPN calculator. Register 1 Register2 ALU Mux Memory Counter Operation Enable Select Select Down ME WE Up Enable 0 0 0 0 PUSH function 0 0 1 function FUNCTION 0 0 0 0 function B 0 0 0 0 function B Table 1. Control signals for RPN calculator. Register 1 Register2 ALU Mux Memory Counter Operation Enable Select Select Down ME WE Up Enable 0 0 0 0 PUSH function 0 0 1 function FUNCTION 0 0 0 0 function B 0 0 0 0 function B