Q. Which header file is needed to use printf() and scanf()?

  • (A) conio.h
  • (B) string.h
  • (C) stdio.h
  • (D) math.h
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✅ Correct Answer: (C) stdio.h
Explanation: 'stdio.h' contains declarations for printf() and scanf().

Published by Mr. Dubey ⭐ 104.85K Points at 07-Jun-2025 08:39 am in C Programming

Explanation by: Mr. Dubey
'stdio.h' contains declarations for printf() and scanf().

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