2. Give unambiguous CFGS that generate the following languages: a) {w] the number of Os and 1s in w are equal} b) {w| the number of Os in w is at least the number of 1s in w} 3. |Provide a pushdown automata that accepts the language generated by the follow- ing context free grammar: S → (O_E.E) E → S|N N → 0|1|N N 0 → +|-|* |/

2. Give unambiguous CFGS that generate the following languages: a) {w] the number of Os and 1s in w are equal} b) {w| the number of Os in w is at least the number of 1s in w} 3. |Provide a pushdown automata that accepts the language generated by the follow- ing context free grammar: S → (O_E.E) E → S|N N → 0|1|N N 0 → +|-|* |/

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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