A variable name consists of?
Correct answer: D. All of the above
- A. Letters
- B. Digits
- C. Underscore
- D. All of the above
Explanation
Answer: The correct answer is (d) All of the above.In C programming, a valid variable name can consist of:Letters (a-z, A-Z)Digits (0-9)Underscore (_)These characters can be combined to form meaningful variable names that reflect their purpose in the program.Cint age; // Valid variable name using lettersint _counter; // Valid variable name using underscoreint total45; // Valid variable name using letters and digitsWhy are the other options wrong?The other options are technically correct because they are all included in the answer of "(d) All of the above". Each option individually represents a valid character that can be used in a variable name.
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