MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Compilers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The RE gives none or many instances of an x or y is? |
| A. | (x+y) |
| B. | (x+y)* |
| C. | (x* + y) |
| D. | (xy)* |
| Answer» C. (x* + y) | |
| 2. |
The regular expression denotes a language comprising all possible strings of even length over the alphabet (0, 1). |
| A. | 1 + 0(1+0)* |
| B. | (0+1) (1+0)* |
| C. | (1+0) |
| D. | (00+0111+10)* |
| Answer» E. | |
| 3. |
If a ‘/’ is used before a character that has no special meaning, ‘/’ is ignored. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
All ___________ are automatically treated as regular expressions. |
| A. | Programmatic description |
| B. | Window |
| C. | Win Object |
| D. | Collection |
| Answer» B. Window | |
| 5. |
You can use RE, if you expect the value of a property to change in an unpredictable way each time its run. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
RE can be used only for values of type string and number. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
A regular expression enables a quick test to determine objects and text strings with undependable values. |
| A. | True |
| B. | False |
| Answer» B. False | |