Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Questions  >  Consider these three grammars.Which of the fo... Start Learning for Free
Consider these three grammars.
Which of the following statements is not true?
  • a)
    If w can be generated by G1, then it can be generated by G2.
  • b)
    If w can be generated by G2, then it can be generated by G3.
  • c)
    If w can be generated by G3, then it can be generated by G1.
  • d)
    If w can be generated by G2, then it can be generated by G1.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Consider these three grammars.Which of the following statements is not...
In G1, T can take the form of v * v * v * v * v ....
In G2, R can take the form * v * v * v ...,  so T can take the form of v * v * v * v ....
Thus, in both G1 and G2, E can take the form v * v * v + v * v * v * v + v * v ....
These are the algebraic expressions involving only addition and multiplication.
In G3, T can take the form v * v * v * v, so R can take the form + v * v + v * v. Thus, through the production E ! T R, E can take the form of any arithmetic expression.
However, E can also take the form of non-arithmetic expressions,
as with E --> R --> + T R --> + v R --> + v + T R ---> + v + v R --> + v + v.
In addition, G3 can generate ε , which G1 and G2 cannot.
Thus, while G1 and G2 generate the same language,
G3 generates a somewhat larger language. Incidentally, G1 demonstrates left-recursion because it contains productions of the form X --> X  α ( in addition to non-problematic productions of the form   X --> β ).
Left recursion can be eliminated by introducing a helper non-terminal R and changing the grammar to read
View all questions of this test
Explore Courses for Computer Science Engineering (CSE) exam

Similar Computer Science Engineering (CSE) Doubts

Top Courses for Computer Science Engineering (CSE)

Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer?
Question Description
Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer?.
Solutions for Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Computer Science Engineering (CSE). Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free.
Here you can find the meaning of Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer?, a detailed solution for Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer? has been provided alongside types of Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Consider these three grammars.Which of the following statements is not true?a)If w can be generated by G1, then it can be generated by G2.b)If w can be generated by G2, then it can be generated by G3.c)If w can be generated by G3, then it can be generated by G1.d)If w can be generated by G2, then it can be generated by G1.Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice Computer Science Engineering (CSE) tests.
Explore Courses for Computer Science Engineering (CSE) exam

Top Courses for Computer Science Engineering (CSE)

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev