MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Compilers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the output of a lexical analyzer? |
| A. | Machine Code |
| B. | Intermediate Code |
| C. | Stream of Token |
| D. | Parse Tree |
| Answer» D. Parse Tree | |
| 2. |
Which of the lexical analyser can handle Unicode? |
| A. | Java CC |
| B. | JFLex |
| C. | Quex |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
Which one is a lexer Generator? |
| A. | ANTLR |
| B. | DRASTAR |
| C. | FLEX |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
Lexers are often generated by a lexer generator, same as parser generators. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What goes over the characters of the lexeme to produce value? |
| A. | Scanner |
| B. | Parser |
| C. | Evaluator |
| D. | Lexical generator |
| Answer» B. Parser | |
| 6. |
It has encoded within it information on the possible sequences of characters that can be contained within any of the tokens it handles. The mentioned function is performed by? |
| A. | Scanner |
| B. | Parser |
| C. | Syntactic Analyser |
| D. | All of the mentioned |
| Answer» B. Parser | |
| 7. |
Two Important lexical categories are __________ |
| A. | White Space |
| B. | Comments |
| C. | None of the mentioned |
| D. | White Space & Comments |
| Answer» E. | |
| 8. |
Which grammar defines Lexical Syntax? |
| A. | Regular Grammar |
| B. | Syntactic Grammar |
| C. | Context free Grammar |
| D. | Lexical Grammar |
| Answer» E. | |
| 9. |
When expression sum=3+2 is tokenized then what is the token category of 3? |
| A. | Identifier |
| B. | Assignment operator |
| C. | Integer Literal |
| D. | Addition Operator |
| Answer» D. Addition Operator | |
| 10. |
The process of forming tokens from an input stream of characters is called __________ |
| A. | Liberalisation |
| B. | Characterisation |
| C. | Tokenization |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |