fa09-sy-s1e

fa09-sy-s1e - ECE 2030 E Exam I - Solutions September 15th,...

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ECE 2030 E Exam I - Solutions September 15 th , 2009
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2 1. Fill in the missing entries in the following table with the equivalent values. Decimal 4-bit Binary 8-bit Binary 24 1000 00011000 6 0110 00000110 0 0000 00000000 2. Encode the following sequence of numbers as an ASCII string. 12, 41, 30 00110001_00110010_00110100_00110001_00110011_00110000
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3 3. Provide i) a transistor level CMOS implementation of a three-input NOR gate and ii) show the gate symbol of its DeMorgan’s equivalent gate.
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4 4. Provide a functionally equivalent implementation of the following CMOS circuit using only two input NAND gates. You need only provide the mixed logic gate level schematic of your solution. Note : This solution is not unique. If you simplify or otherwise modify the expression you will have a different solution.
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5 5. This question deals with Mixed Logic Design. Implement the following expression using only NOR and NOT gates. Use the mixed logic notation we have used in class. Do not assume that the complements of the inputs are available. Do
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fa09-sy-s1e - ECE 2030 E Exam I - Solutions September 15th,...

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