MCQOPTIONS
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MCQOPTIONS
This section includes 8 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_OUTPUT_OF_LEXICAL_ANALYZER_IS_A?$ |
| A. | Set of regular expressions |
| B. | Syntax tree |
| C. | Set of tokens |
| D. | Strings of character |
| Answer» D. Strings of character | |
| 2. |
The_output_of_a_lexical_analyzer_is$ |
| A. | Machine code |
| B. | Intermediate code |
| C. | Stream of tokens |
| D. | Parse tree |
| Answer» D. Parse tree | |
| 3. |
Task of the lexical analysi? |
| A. | None of the mentioned |
| B. | To build a literal and identifier table |
| C. | To build a uniform symbol table |
| D. | Both |
| Answer» E. | |
| 4. |
The lexical analyzer takes _________as input and produces a stream of _______as output. |
| A. | Source program, tokens |
| B. | Token, source program |
| C. | Either A and B |
| D. | None of the mentioned |
| Answer» B. Token, source program | |
| 5. |
Which of the following is used for grouping of characters into tokens? |
| A. | Parser |
| B. | Code optimization |
| C. | Code generator |
| D. | Lexical analyzer |
| Answer» E. | |
| 6. |
_________ or scanning is the process where the stream of characters making up the source program is read from left to right and grouped into tokens. |
| A. | Lexical |
| B. | Diversion |
| C. | Modelling |
| D. | None of the mentioned |
| Answer» B. Diversion | |
| 7. |
A simple two-pass assembler does which of the following in the first pass |
| A. | Space for the literals |
| B. | Total length of the program |
| C. | It builds the symbol table for the symbols and their values. |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
Given the language L-{ab, aa, baa}, which of the following strings are in LG? |
| A. | abaabaaabaa |
| B. | aaaabaaaa |
| C. | baaaaabaaaab |
| D. | baaaaabaa |
| Answer» D. baaaaabaa | |