Essay about ICS 241 Exam 2

705 WordsSep 2, 20143 Pages
ICS-241 M. Bauer Exam Two 1. Create a binary search tree from the following data which is as balanced as possible. No leaf node should be more than +/-1 level from any other leaf node. Note: Do not just create a tree from the data encountered in the following order. 78.2, -35.1, 48.2, 12.9, -14.7, -86.1, 17.4, 92.7, 38.4, -2.8 17.4 -35.1 -86.1 48.2 -14.7 12.9 38.4 -2.8 78.2 92.7 A B C D G E H I L M J N 2. Perform a postorder traversal of the tree depicted above. • • • Traverse its left subtree. Traverse is right subtree. Visit the root of the tree. • G, L, H, D, B, M, N, I, E, O, J, P, K, F, C, A 3. Evaluate the following prefix notation expression: * - * 3…show more content…
Draw a digital logic circuit for the expression: 8. Find a minimal expansion of 1 1 • xz 1 1 1 + y z + xz 9. Let G = (V,T,S,P) be the phrase structure grammar with V={0,1,A,B,S}, T={0,1}, and the set of productions P consisting of: S → 0AB, S→ 1B, A → 1B01, B → 100. € € € a. Either show that 0110001001 belongs to the language generated by G or explain why it does not. It is “not” possible to show that 0110001001 because we are looking for a string that “starts” with a “0” and ends with a “1”. Since we can only use production S with starting state S → 0AB, the string created that will not end with a “1” but always will end with a “0”. S → 0AB → 01B01B → 0110001100 b. Either show that 1100 belongs to the language generated by G or explain why it does not. We can show that 1100 belongs to language generated by G by using production S with start state S→ 1B to be: S→ 1B → 1100 10. Draw a finite state machine (with output) represented by the following state table. State s0 s1 s2 s3 s4 f(0) s1 s2 s2 s0 s3 f(1) s3 s4 s1 s4 s0 g(0) 0 1 1 0 1 g(1) 1 0 1 0 0 0,0 S0 0,1 S1 1,0 1,1 1,1 S2 0,1 1,0 0,0 S3 1,0 S4 0,1 11. What is

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