MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Compilers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a bottom-up evaluation of a syntax directed definition its inherited attributes can do which of the following? |
| A. | Always evaluated |
| B. | Can be evaluated if the definition is L attributed |
| C. | Can be evaluated if the definition has synthesized attributes |
| D. | Never be evaluated |
| Answer» C. Can be evaluated if the definition has synthesized attributes | |
| 2. |
Which grammar rules violate the requirements of an operator grammar? |
| A. | 1 only |
| B. | 1 and 3 only |
| C. | 2 and 3 only |
| D. | 3 and 4 onlyView Answer |
| Answer» C. 2 and 3 only | |
| 3. |
Consider the grammar. For a sentence n + n × n, the handles in the right-sentential form of the reduction are __________ |
| A. | n, E + n and E + n × n |
| B. | n, E + n and E + n × n |
| C. | n, n + n and n + n × n |
| D. | n, E + n and E × nView Answer |
| Answer» E. | |
| 4. |
The grammar A → AA | (A) | e is not suitable for predictive-parsing because the grammar is? |
| A. | | e is not suitable for predictive-parsing because the grammar is?a) Ambiguous |
| B. | Left recursive |
| C. | Right recursive |
| D. | An operator grammar |
| Answer» C. Right recursive | |
| 5. |
Consider the grammar defined by the following production rules: Which one of the following is TRUE? |
| A. | + is left associative, while ∗ is right associative |
| B. | + is right associative, while ∗ is left associative |
| C. | Both + and ∗ are right associative |
| D. | Both + and ∗ are left associativeView Answer |
| Answer» C. Both + and ∗ are right associative | |
| 6. |
Find the TRUE statement? |
| A. | I and II |
| B. | I and IV |
| C. | III and IV |
| D. | I III and IVView Answer |
| Answer» C. III and IV | |