File Handling - C++ (MCQ) questions and answers
Here, you can read File Handling multiple choice questions and answers with explanation.
1) By default, all the files are opened in ___________mode . - Published on 19 Oct 15
a. Binary
b. Text
c. Can’t say
Answer
Explanation
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ANSWER: Text
Explanation: No explanation is available for this question!
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2) It is not possible to combine two or more file opening mode in open () method. - Published on 19 Oct 15
a. True
b. False
Answer
Explanation
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ANSWER: False
Explanation: No explanation is available for this question!
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3) Which of the following is not a file opening mode ____ . - Published on 19 Jul 15
a. ios::ate
b. ios::nocreate
c. ios::noreplace
d. ios::truncate
Answer
Explanation
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ANSWER: ios::truncate
Explanation: No explanation is available for this question!
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4) Due to ios::trunc mode, the file is truncated to zero length. - Published on 17 Jul 15
a. True
b. False
Answer
Explanation
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ANSWER: True
Explanation: No explanation is available for this question!
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5) If we have object from ofstream class, then default mode of opening the file is _____ . - Published on 17 Jul 15
a. ios::in
b. ios::out
c. ios::in|ios::trunc
d. ios::out|ios::trunk
Answer
Explanation
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ANSWER: ios::out|ios::trunk
Explanation: No explanation is available for this question!
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6) __________ is return type of is_open() function. - Published on 17 Jul 15
a. int
b. bool
c. float
d. char *
Answer
Explanation
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ANSWER: bool
Explanation: No explanation is available for this question!
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7) If we have object from fstream class, then what is the default mode of opening the file? - Published on 17 Jul 15
a. ios::in|ios::out
b. ios::in|ios::out|ios::trunc
c. ios::in|ios::trunc
d. Default mode depends on compiler
Answer
Explanation
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ANSWER: Default mode depends on compiler
Explanation: No explanation is available for this question!
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8) To create an output stream, we must declare the stream to be of class ___________ . - Published on 17 Jul 15
a. ofstream
b. ifstream
c. iostream
d. None of these
Answer
Explanation
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ANSWER: ofstream
Explanation: No explanation is available for this question!
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9) Streams that will be performing both input and output operations must be declared as class _________ . - Published on 17 Jul 15
a. iostream
b. fstream
c. stdstream
d. Stdiostream
Answer
Explanation
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ANSWER: fstream
Explanation: No explanation is available for this question!
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10) To perform File I/O operations, we must use _____________ header file. - Published on 17 Jul 15
a. < ifstream>
b. < ofstream>
c. < fstream>
d. Any of these
Answer
Explanation
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ANSWER: < fstream>
Explanation: No explanation is available for this question!
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