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Convert the given CFG to CNF: S -> ABC, A -> aAb | ab, B -> bBb | b, C -> bCc | bc b. How many steps to derive: b^d+(d+b*b)+b? S -> S+A | A, A -> A*B | B, B -> C^B | C, C -> (S) | b | d How many useless symbols in the given CFG? S -> BC | DaD | b, A -> cD | bA | c, B -> Cb, C -> aB, D -> bS | ɛ d. How many times B -> 1BB is used in derivation of 110001111000? S -> 1B | OA, A ->1] 1S | OAA, B -> 0 | OS | 1BB а. С.

Convert the given CFG to CNF: S -> ABC, A -> aAb | ab, B -> bBb | b, C -> bCc | bc b. How many steps to derive: b^d+(d+b*b)+b? S -> S+A | A, A -> A*B | B, B -> C^B | C, C -> (S) | b | d How many useless symbols in the given CFG? S -> BC | DaD | b, A -> cD | bA | c, B -> Cb, C -> aB, D -> bS | ɛ d. How many times B -> 1BB is used in derivation of 110001111000? S -> 1B | OA, A ->1] 1S | OAA, B -> 0 | OS | 1BB а. С.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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computer science - theory of computation/automata theory:

please provide clear explanations to help me understand the topic.

1. Theory of Computation / Automata Theory Convert the given CFG to CNF: S -> ABC, A -> aAb | ab, B -> bBb | b, C -> bCc | bc b. How many steps to derive: b^d+(d+b*b)+b? S -> S+A | A, A -> A*B | B, B -> C^B | C, C -> (S) | b | d How many useless symbols in the given CFG? S -> BC | DaD | b, A -> cD | bA | c, B -> Cb, C -> aB, D -> bS | 8 d. How many times B -> 1BB is used in derivation of 110001111000? S -> 1B | OA, A -> 1 | 15 | OAA, B -> 0 | OS | 1BB а. С.
Transcribed Image Text:1. Theory of Computation / Automata Theory Convert the given CFG to CNF: S -> ABC, A -> aAb | ab, B -> bBb | b, C -> bCc | bc b. How many steps to derive: b^d+(d+b*b)+b? S -> S+A | A, A -> A*B | B, B -> C^B | C, C -> (S) | b | d How many useless symbols in the given CFG? S -> BC | DaD | b, A -> cD | bA | c, B -> Cb, C -> aB, D -> bS | 8 d. How many times B -> 1BB is used in derivation of 110001111000? S -> 1B | OA, A -> 1 | 15 | OAA, B -> 0 | OS | 1BB а. С.
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