In this Lab you will build some arithmetic circuits. You have to use your own subcircuit designs in order to create more complex arithmetic circuits. There are steps below you should follow it step by step. 1. Draw a half adder as a circuit in Logisim (and check) 2. Draw a full adder as a circuit in Logisim (and check) 3. Draw a 2-bit by 2-bit multiplier as a circuit in Logisim (and check) 4. Design and draw a 2-bit plus 4-bit adder as a circuit in Logisim (C3,C2,C1,Co) = (B3,B2, B1,B0) + (A1,A0) 5. Design and build a 4-bit by 4-bit multiplier as a circuit in Logisim using (a) Four 2-bit by 2-bit multipliers (b) Four 2-bit plus 4-bit adders (C7, C6,C5,C4,C3,C2,C1,Co) = (B3,B2,B1,B0) x (A3,A2,A1,A0)