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# sol11 - Chapter 11 11.1 Label the wires in the circuit of...

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Chapter 11 11.1. Label the wires in the circuit of Figure P11.1 as follows: w 1 w 2 f w 3 c a b d A complete fault table is Test Fault detected w 1 w 2 w 3 a/ 0 a/ 1 b/ 0 b/ 1 c/ 0 c/ 1 d/ 0 d/ 1 f/ 0 f/ 1 000 001 010 011 100 101 110 111 A minimal test set must include the tests w 1 w 2 w 3 = 011 , 101 , and 111 , which cover all faults except d/ 1 . The latter fault can be detected by choosing one of 000 , 010 , or 100 . 11.2. Label the wires in the circuit of Figure P11.2 as follows: w 1 w 2 f w 3 w 4 a b c d e g 11-1

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A complete fault table is Test Fault detected w 1 w 2 w 3 w 4 a/ 0 a/ 1 b/ 0 b/ 1 c/ 0 c/ 1 d/ 0 d/ 1 e/ 0 e/ 1 g/ 0 g/ 1 f/ 0 f/ 1 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 A possible minimal test set consists of w 1 w 2 w 3 w 4 = 0001 , 0110 , 1000 , and 1001 . 11.3. The two functions differ only in the vertex x 1 x 2 x 3 x 4 = 0111 . Therefore, the circuits can be distinguished by applying this input valuation. 11.4. Label the wires in the circuit of Figure P11.3 as follows: w 1 w 2 f w 3 w 4 w 5 e a c b d 11-2
Path w 1 - a - d - f is sensitized with w 2 w 3 w 4 w 5 = 111x Path w 2 - a - d - f is sensitized with w 1 w 3 w 4 w 5 = 111x Path w 3 - b - c - d - f is sensitized with w 1 w 2 w 4 w 5 = 0x11 Path w 3 - b - e - f is sensitized with w 1 w 2 w 4 w 5 = 1110 Path w 4 - b - c - d - f is sensitized with w 1 w 2 w 3 w 5 = 0x11 Path w 4 - b - e - f is sensitized with w 1 w 2 w 3 w 5 = 1110 Path w 5 - e - f is sensitized with w 1 w 2 w 3 w 4 = xx0x As an input signal to each path it is necessary to apply both 0 and 1 to give two tests. A possible test set is w 1 w 2 w 3 w 4 w 5 = 01111, 11110, 1011x, 0x011, 11010, 0x101, and 11100 11.5. The tests are w 1 w 2 w 3 w 4 = 1111, 1110, 0111, and 1111.

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sol11 - Chapter 11 11.1 Label the wires in the circuit of...

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