CPP File Streams and String Streams MCQ Objective Quiz

Subjects

एम एस सी आई टी

एम एस सी आई टी

MSCIT

Cloud Computing

Cloud Computing

MongoDB

Python

CPP

C Programming

CSharp Programming

CSharp Programming

Java Programming

Java Programming

Database

General Knowledge

General Knowledge

Android

PHP

CPP

File Streams and String Streams has 5 Questions

What is the output of this program?

```
    #include 
```
```
    using namespace std;
```
```
    int main ()
```
```
    {
```
```
        char first, second;
```
```
        cout << "Enter a word: ";
```
```
        first = cin.get();
```
```
        cin.sync();
```
```
        second = cin.get();
```
```
        cout << first << endl;
```
```
        cout << second << endl;
```
```
        return 0;
```
```
    }
```

first

second

Returns first 2 letter or number from the entered word

None of the mentioned

Which header file is used for reading and writing to a file?

#include

#include

#include

None of the mentioned

Which member function is used to determine whether the stream object is currently associated with a file?

is_open

buf

string

None of the mentioned

What is the output of this program?

```
    #include 
```
```
    using namespace std;
```
```
    int main ()
```
```
    {
```
```
        int a = 100;
```
```
        double b = 3.14;
```
```
        cout << a;
```
```
        cout << endl;
```
```
        cout << b << endl << a * b;
```
```
        endl (cout);
```
```
        return 0;
```
```
    }
```

100

3.14

314

All of the mentioned

What is the output of this program?

```
    #include
```
```
    #include 
```
```
    using namespace std;
```
```
    int main () 
```
```
    {
```
```
        ofstream outfile ("test.txt");
```
```
        for (int n = 0; n < 100; n++)
```
```
        {
```
```
            outfile << n;
```
```
            outfile.flush();
```
```
        }
```
```
        cout << "Done";
```
```
        outfile.close();
```
```
        return 0;
```
```
    }
```

Done

Error

Runtime error

None of the mentioned