6. 10. Using the grammar of Example 3.2 (pictured), draw a parse tree of these statements: EXAMPLE 3.2 A Grammar for Simple Assignment Statements → → A| B|C + | * a) B= C✶ (A* C + B) b) A A (B+ (C)) c) C B + A*C | ( ) | Describe in English, the language defined by the following grammar: → a | a → b | b > c | C 12. Consider the following grammar: a c | | b |ε | C →d | Which of the following sentences are in the language generated by this grammar? a) abcd b) acccbd c) acccbcc d) acd e) accc

6. 10. Using the grammar of Example 3.2 (pictured), draw a parse tree of these statements: EXAMPLE 3.2 A Grammar for Simple Assignment Statements → → A| B|C + | * a) B= C✶ (A* C + B) b) A A (B+ (C)) c) C B + A*C | ( ) | Describe in English, the language defined by the following grammar: → a | a → b | b > c | C 12. Consider the following grammar: a c | | b |ε | C →d | Which of the following sentences are in the language generated by this grammar? a) abcd b) acccbd c) acccbcc d) acd e) accc

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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4. Rewrite the BNF of Example 3.4 to add the ++ and -- unary operatorsof Java.
The Parse tree must be drawn by hand
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"Introduction to Formal Languages and Automaton" by Peter Linz, 6th edition, 2017. The cut is from chapter 1, section 2, e 17, d, e, f.
Draw the derivation tree corresponding to the derivation in Example 5.1.
3. Let L = {abcm | n,m E N}. Create a context-free grammar for L starting with non-terminal S. 4. b.A: push(E) b,X; push(B) a.A: push(A) a,X; push(A) Consider the given PDA with bottom stack symbol X. It corresponds to a regular language. Create a regular expression for the language accepted by this PDA. A.B: nop A, E; nop c.B:nop q1
Give a derivation tree for w = abbbaabbaba for the grammar in Example 5.2. Use the derivation tree to find a leftmost derivation.
Exercise 2: The following shows a simple context free grammar (CFG) : Exercise 3: Consider the following grammar : Which of the following sentences are recognized by this grammar: 5+9+5, 2+8*(4*9)*4*(7+6), 3+7-2 S T E →>> T→> F→ ab (T) T,S | S E+T T T*F F nb (E) a) What is the type of this grammar ? b) Give the four elements of this grammar {T,N,S,P} c) Draw the parse tree for: (a,b) and (b,(a,a))
"Introduction to Formal Languages and Automaton" by Peter Linz, 6th edition, 2017. The cut is from chapter 1, section 2, e 14.
Q No. 3: Grammar G1 = ( N = { E, T, F, I, D}, T = { +, *, (, ), 0-9}, S = {E} and P is the set of productions: E E +T | T T T * F | F E) | I DI | D F I D + 0|1|2|3|4 |5 | 6 | 7 | 8 |9 For the string w = (9*(9+9)+999), find- 1. Leftmost derivation 2. Rightmost derivation 3. Parse Tree
Hi, can you please help with answering this question and providing a clear explanation The question to be answered is 2.7 you have to follow what 2.7 is asking for the questions provided in exercise 2.6