Which of the following is a valid identifier in C?
Options
- A. 2value
- B. total-marks
- C. _total
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
C. _total
Detailed Explanation
Answer: (C) _total
A C identifier may contain letters, digits and underscore, but it cannot begin with a digit.
2value is invalid because an identifier cannot start with a digit.
total-marks is invalid because the hyphen is not allowed in an identifier.
_total follows the basic identifier rules and is syntactically valid.