MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPILER DESIGN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Three properties to be considered before parsing the input are
A
Removing ambiguity
B
Removing left recursion
C
Left factoring
D
All the mentioned
Explanation: 

Detailed explanation-1: -Depending upon how the parse tree is built, parsing techniques are classified into three general categories, namely, universal parsing, top-down parsing, and bottom-up parsing. The most commonly used parsing techniques are top-down parsing and bottom-up parsing.

Detailed explanation-2: -A complete parser is usually composed of two parts: a lexer, also known as scanner or tokenizer, and the proper parser. The parser needs the lexer because it does not work directly on the text, but on the output produced by the lexer.

Detailed explanation-3: -A natural language parser is a program that figures out which group of words go together (as “phrases”) and which words are the subject or object of a verb. The NLP parser separates a series of text into smaller pieces based on the grammar rules. If a sentence that cannot be parsed may have grammatical errors.

Detailed explanation-4: -There are two types of Parsing: The Top-down Parsing. The Bottom-up Parsing.

There is 1 question to complete.