C Language INTERVIEW QUESTION & ANSWERS
| 11. |
What is C token? |
| |
The smallest individual units of a C program are known as tokens. |
| 12. |
List the different types of C tokens? |
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- Constants
- Identifiers
- Keywords
- Operators
- Special symbols
- Strings
|
| 13. |
What is a string? |
| |
A string is a sequence of characters ending with NUL. It can be treated as a one–dimensional array of characters terminated by a NUL character. |
| 14. |
What are qualifiers? |
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Qualifiers or modifiers are identifiers that may precede the scalar data types (except float) to specify the number of bits used for representing the respective type of data in memory. The qualifiers in C are short, long, signed, and unsigned. |
| 15. |
What is a function? |
| |
A function is a set of statements to perform a specific task. |
