A DPDA is a PDA in which:
With reference of a DPDA, which among the following do we perform from the start state with an empty stack?
|-* is the __________ closure of |-
A PDA machine configuration (p, w, y) can be correctly represented as:
Which of the following are context free language?
If the partial derivation tree contains the root as the starting variable, the form is known as:
There exists a Context free grammar such that:
X→aX
Which among the following is correct with respect to the given assertion?
From the definition of context free grammars,
G = (V, T, P, S)
What is the solution of VÇT?
a→b
Restriction: Length of b must be atleast as much length of a.
Which of the following is correct for the given assertion?
Context free grammar is called Type 2 grammar because of ______________ hierarchy.
If the start symbol is one of those symbols which produce no terminal through any sequence, the CFL is said to be
Which of the following is incorrect?
There exists algorithms to decide if:
Context free languages are not closed under:
Given Grammar G1:
S→aSb
S→e
Grammar G2:
R→cRd
R→e
If L(G)=L(G1) U L(G2), the number of productions the new starting variable would have:
The context free languages are closed under:
