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WXES 1109 – COMPUTER SYSTEMS & ORGANIZATION SEMESTER 1, SESSION 2007/2008 TUTORIAL 6 1. Get the truth table for Figure Rajah 6.1. Draw a circuit which produces the same output for F but using less NAND gate. Figure 6.1 2. Using Boolean algebra, identify that circuit in Figure 6.2 generate XNOR function. Figure 6.2 3. Design a priority encoder with input and output is listed in Table 6.1 (i.e get the simplest equation for A1, A2 and V). Table 6.1 D3 0 X X X 1 Inputs D2 D1 0 0 X X X 1 1 0 0 0 D0 0 1 0 0 0 A1 X 0 0 1 1 Output A0 X 0 1 0 1 V 0 1 1 1 1 continue next page….. 4. Find simplest Boolean equation for F and G output from hierarchal circuit in Figure 6.3 Figure 6.3