1. Observe the timing diagram below for a certain type of circuit, with inputs A, B,...

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1. Observe the timing diagram below for a certain type of circuit, with inputs A, B, C, D, and output G. a. Express G as a minimal SOP in terms of A, B, C and D. [4] b. Briefly describe the function of this circuit. [2] c. Implement this circuit using two 4x1 multiplexers in cascade, and external gates. [12] A B C 1. Observe the timing diagram below for a certain type of circuit, with inputs A, B, C, D, and output G. a. Express G as a minimal SOP in terms of A, B, C and D. [4] b. Briefly describe the function of this circuit. [2] c. Implement this circuit using two 4x1 multiplexers in cascade, and external gates. [12] A B C