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 CS201 Quiz Introduction to Programming C++

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PostSubject: CS201 Quiz Introduction to Programming C++   Mon Jul 04, 2011 11:05 am






CS201 Quiz Introduction to Programming C++


The stream-insertion operator is >> and the stream-extraction operator is <<.  
Select correct option:  
True
False
 
Question # 2
In statement Matrix m2 = m1 ;  
Select correct option:  

Assignment operator is being used
Copy constructor is being used.
Statement has syntax error
None of the given options


Below is given a code snippet char name[50]; cin>>name; cout<  
Select correct option:  
 Sohail Aslam
Aslam Sohail
Sohail
Aslam  

Question # 4  
What will be the output of following statement? cout << setfill(‘0’) << setw(7) << 128 ;  
Select correct option:  

0128128
0000128
1280000
0012800

Question # 5  
When we used eof (end of file) with the file reading than which of the following is a true statement?  
Select correct option:  

This is way to check source of the stream  
This is way to check destination of the stream  
This is way to check state of the stream  
This is way to check type of the stream  

Question # 6  
The ws manipulator can be used with ______ stream(s).  
Select correct option:  
 Output
Input
Input/Output
None of the given options

Which of the following is true about streams? A. It is a sequence of bytes B. It is an ordered sequence C. All bytes can go through the stream simultaneously D. Bytes that enters first into the stream will go out at last  
Select correct option:  
 A only  
C Only  
A and B
A and D

The statement cin.get (); is used to,  
Select correct option:  
 Read a string from keyboard
Read a character from the keyboard
Read a character from file
Read a String from file

The return type of the operator function for << operator is __________.  
Select correct option:  
class for which we overload operator
reference of ostream class (ostream&)
reference of istream class (istream&)
void

Question # 11  
The operator function for << (stream insertion) >> and stream extraction must be  
Select correct option:  
Member function of class
Non-member function of class
Both member and non-member function
None of the given options

Question # 12
What functionality the following program is performing ? #include int main(0 { const int SIZE = 80; char buffer[SIZE]; cout <<” Enter a sentence : “<  
Select correct option:  
get member function of cin object is used to read a sentence from the key board and then print it on the screen.
getline member function of cout object is used to read a sentence from the key board and then print it on the screen.
getline member function of cin object is used to read a sentence from the key board and then print it on the screen.
getline member function of cin object is used to read a word from the key board and then print it on the screen.

Question # 13
The read and write member functions input or output some number of bytes to or from a character array in memory.  
Select correct option:  
True
False

Question # 14
The endl and flush are _______  
Select correct option:  
Functions
Operators
Manipulators
Objects

Question # 15
Which of the following is a destination of cout stream?  
Select correct option:  
Data type  
Printer  
Constant  
Variable

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