ECE 2030B Computer Engineering Spring 20104 problems, 5 pages Exam One Solutions 10 February 20101Problem 1 (2 parts, 20 points) Switch-level DesignThe three parts below contain (A) a pull up network, (B) a pull down network, and (C) an expression to be implemented. For (A) and (B), complete the missing complementary switching networks so the circuit contains no floats or shorts and write the Boolean expression computed by the completed circuit. For (C), design the entire switching network. Assume the inputs and their complements are available. (A) (B) OUTx = )()(FEDCBA++⋅+⋅OUTy =EDC⋅+OUTz = )(EDBCA+⋅+⋅(C)
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