C Programming MCQ - File Management


In the following statement
the variable fpt is a/an

A. Integer variable
B. Arbitrarily assigned value
C. Pointer to a file
D. Special kind of variable called file

Option: C

Explanation :

2:   The function fopen("filename","r")returns
A. Nothing
B. A value 0 or 1 depending on whether the file could be opened or not.
C. A pointer to FILE filename,if it exits
D. A pointer to a new file after creating it.

Option: C

Explanation :

3:   The function sprintf()works like printf(),but operatres on
A. Data in a file
B. stderr
C. stdin
D. string

Option: D

Explanation :

4:   To instantiate an object with the statement ifstream items("C:inven.txt");,the file on the disk is identified by the name
A. items
B. inven.txt
C. either (a) or (b)
D. None of these

Option: B

Explanation :

5:   Expression ((fpt=fopen("Samples","w"))==NULL)would be true if
A. The file sample does not exist while fopen is being executed
B. The file sample could not be created for writing
C. fpt is declared as a FILE pointer
D. The file sample is read only

Option: B

Explanation :

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Syllabus Covered in this section is

  • Elements of C-Tokens
  • Identifiers
  • data types in C
  • Control structures in, C
  •  Sequence, selection and iteration(s).
  • Structured data types in C
  • Arrays, Structures, union, String, and pointers
  • Functions, Recursion
  • Parameter passing, Scope
  •  Binding, Abstract data types

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