MCQOPTIONS
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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. |
THE_REGULAR_EXPRESSION_DENOTE_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. | |
| 2. |
The_regular_expressions_denote_zero_or_more_instances_of_an_x_or_y_is$ |
| A. | (x+y) |
| B. | (x+y)* |
| C. | (x* + y) |
| D. | (xy)* |
| Answer» C. (x* + y) | |
| 3. |
Which of the following String can be obtained by the language L = {ai b2i / i >=1} |
| A. | aaabbbbbb |
| B. | aabbb |
| C. | abbabbba |
| D. | aaaabbbabb |
| Answer» B. aabbb | |
| 4. |
Let R1 and R2 be regular sets defined over alphabet ‚àë then$ |
| A. | R1 UNION R2 is regular |
| B. | R1 INTERSECTION R2 is regular |
| C. | ‚àë INTERSECTION R2 IS NOT REGULAR |
| D. | R2* IS NOT REGULAR |
| Answer» B. R1 INTERSECTION R2 is regular | |
| 5. |
Give a production grammar that specified language L = {ai b2i >= 1} |
| A. | {S->aSbb,S->abb} |
| B. | {S->aSb, S->b} |
| C. | {S->aA,S->b,A->b} |
| D. | None of the mentioned |
| Answer» B. {S->aSb, S->b} | |
| 6. |
Consider the production of the grammar S->AA A->aa A->bb Describe the language specified by the production grammar. |
| A. | L = {aaaa,aabb,bbaa,bbbb} |
| B. | L = {abab,abaa,aaab,baaa} |
| C. | L = {aaab,baba,bbaa,bbbb} |
| D. | L = {aaaa,abab,bbaa,aaab} |
| Answer» B. L = {abab,abaa,aaab,baaa} | |