C Programming MCQ Question and Answer

C Programming MCQ Question and Answer
11. If fopen Q fails, it returns
  • -1
  • NULL
  • 1
  • the file pointer
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12. The function fclose() is
  • used to disconnect a program from file
  • used to close a file logically
  • both options a and b
  • a mandatory function call in file handling
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13. The action of connecting a program from a file is obtained by the function
  • fclose()
  • delete()
  • fdisconnect()
  • clear()
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14. The value returned by fcloseQ, if an error occurs is
  • 0
  • 1
  • EOF
  • -1
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15. The function(s) used for reading a character from a file is (are)
  • getc()
  • fgetc()
  • both options an and b
  • fgetcharo()
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16. The function(s) used for writing a character to a file is (are)
  • put()
  • fputc()
  • both options a and b
  • fputcharQ
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17. The function(s) used for reading formatted input data from a file is (are)
  • getchar()
  • fscanf()
  • scanf()
  • gets()
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18. The function used for random access of a file is
  • fseek()
  • ftel()
  • sarch()
  • rewind()
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19. What is the value of origin used in fseek(fptr,position, origin);? to represent end of file.
  • 0
  • 1
  • 2
  • EOF
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20. What is the value of origin used in fssek(fptr, position, origin);? to represent the beginning of the file
  • 0
  • 1
  • 2
  • START
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