Question: What is a common limitation of LL parsers?
Options:
They cannot handle ambiguous grammars.
They require more memory than LR parsers.
They can only parse regular languages.
They are slower than LR parsers.
Correct Answer: They cannot handle ambiguous grammars.
Solution:
LL parsers cannot handle ambiguous grammars, which limits their applicability.
What is a common limitation of LL parsers?
Practice Questions
Q1
What is a common limitation of LL parsers?
They cannot handle ambiguous grammars.
They require more memory than LR parsers.
They can only parse regular languages.
They are slower than LR parsers.
Questions & Step-by-Step Solutions
What is a common limitation of LL parsers?
Step 1: Understand what an LL parser is. It is a type of parser that reads input from left to right and produces a leftmost derivation of the sentence.
Step 2: Learn about grammars. A grammar is a set of rules that defines how sentences in a language can be formed.
Step 3: Know what ambiguous grammars are. An ambiguous grammar is one that can produce more than one valid parse tree for the same input string.
Step 4: Recognize the limitation. LL parsers cannot process ambiguous grammars because they rely on a single way to interpret the input.
Step 5: Understand the impact. This limitation means that LL parsers cannot be used for all types of programming languages or expressions, especially those that are ambiguous.
No concepts available.
Soulshift Feedback×
On a scale of 0–10, how likely are you to recommend
The Soulshift Academy?
