Some Commonly asked Function/Objects Vs. header files (CBSE 12th Exam)
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The document lists various commonly used functions and their corresponding header files in C/C++ programming, specifically tailored for the CBSE 12th exam. Each function is paired with its purpose, such as mathematical operations, file handling, and string manipulation. Additionally, it includes standard library functions that cover input/output operations and character classification.
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Some Commonly asked Function/Objects Vs. header files (CBSE 12th Exam)
- 1. 20200321-Ver 0 © 2020 Computersirkiclass.com, All rights reserved Some Commonly asked Function/Objects Vs. header files (CBSE 12th Exam) 1. abs(), fabs() – math.h (removes sign. fabs is for floating point numbers) 2. ceil() – math.h (brings to higher side double value will make 5.2 to 6.0) 3. clrscr() – conio.h 4. cin – iostream.h 5. cout – iostream.h 6. endl – iostream.h 7. exit() – process.h 8. floor() – math.h (brings to lower side double value will make 5.7 to 5.0) 9. getc(), putc() – stdio.h (works for file as well as console) 10. getchar(), putchar() – stdio.h (Works for console only) 11. getch() – conio.h 12. getline() – iostream.h 13. gets(), puts() – stdio.h (accepts string or displays string) 14. isalpha(), isalnum(), isdigit(), islower, isupper() – ctype.h 15. open(), close() – fstream.h / ifstream.h /ofstream.h 16. pow() – math.h 17. random(), randomize() – stdlib.h 18. read(), write() – fstream.h 19. seekg(), seekp() – fstream.h 20. setiosflags() – iomanip.h 21. setprecision() – iomanip.h 22. setw() – iomanip.h 23. sqrt() – math.h 24. strcat() – string.h (concatenates (adds) two strings) 25. strcpy() – string.h 26. strcmp() – string.h 27. strcmpi() – string.h (compares string by ignoring case) 28. strlen() – string.h 29. strlwr(), strupr() – string.h (non standard functions but works in Turboc) 30. tellg(), tellp() – fstream.h 31. tolower(), toupper() – ctype.h