| 21. | What will be output of the following c code?
|
| a. | -4 |
| b. | -5 |
| c. | 10 |
| d. | 11 |
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Answer: (a).-4
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| 22. | A compiler can check |
| a. | Logical Error |
| b. | Syntax Error |
| c. | Both Logical and Syntax Error |
| d. | Not Logical and Syntax Error |
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|
Answer: (b).Syntax Error
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| 23. | In analyzing the compilation of PL/I program ,the term “lexical analysis” is associated with |
| a. | recognition of basic syntactic constructs through reductions |
| b. | recognition of basic elements and creation of uniform symbols |
| c. | creation of more optional matrix |
| d. | use of macro processor to produce more optimal assembly code |
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Answer: (b).recognition of basic elements and creation of uniform symbols
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| 24. | In analyzing the compilation of PL/I program,the description creation of more optimal matrix is associated with
|
| a. | assembly and output |
| b. | code generation |
| c. | syntax analysis |
| d. | machine independent optimization |
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Answer: (d).machine independent optimization
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| 25. | Which of the following is not a source error ? |
| a. | faulty design specification |
| b. | faulty algorithm |
| c. | compilers themselves |
| d. | none of these |
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Answer: (d).none of these
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| 26. | A main procedural program contains modules. These modules are also called____________. |
| a. | Packages |
| b. | Units |
| c. | Both (a) and (b) |
| d. | None of the above |
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Answer: (c).Both (a) and (b)
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| 27. | Programming languages are the tools that allow communicating between__________. |
| a. | Developer |
| b. | Computer |
| c. | Developer and data |
| d. | Both (a) and (b) |
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Answer: (d).Both (a) and (b)
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| 28. | The actual text used to write the instructions for a computer program is called a_______________. |
| a. | Source code |
| b. | Compiler |
| c. | Both (a) and (b) |
| d. | Both (a) and (b) |
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Answer: (a).Source code
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| 29. | Language which have many types, but the type of every name and expression must be calculated at compile time are |
| a. | weakly typed languages |
| b. | loosely typed languages |
| c. | strongly-type languages |
| d. | none of these |
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Answer: (c).strongly-type languages
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| 30. | In some programming languages, an identifier is permitted to be a letter followed by any number of letters or digits. If L and D denotes the sets of letters and digits respectively, which of the following expressions define an identifier ? |
| a. | ( L . D )* |
| b. | ( L∪ D ) * |
| c. | L . ( L . D )* |
| d. | L ( L ∪ D)* |
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Answer: (d).L ( L ∪ D)*
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