VU CS-201 Online Test Preparation

MCQ's Test For CS-201 Final Term Exams Preparation Virtual University

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CS-201 Final Term Exams Preparation Virtual University

00:00
Question # 1

"new" and "delete" keywords are _____________ in C++ language

Question # 2

Which of the following statement is best regarding declaration of friend function?

Question # 3

Which of the following is used with bit manipulation?

Question # 4

New operator allocates memory from free store and return.

Question # 5

*.doc is _____________ by type.

Question # 6

Which kind of functions can access private member variables of a class?

Question # 7

Class is a user defined___________.

Question # 8

If overloaded plus operator is implemented as non-member function then which of the following statement will be true for the statement given below?obj3 = obj1 + obj2 ;

Question # 9

Which situation would require the use of a non-member overloaded operator?

Question # 10

If text is a pointer of class String then what is meant by the following statement? text = new String [5];

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Virtual University CS-201 Chapter 1 Important MCQ's

Sr.# Question Answer
1 The stream insertion and stream extraction operators are already overloaded for ______.
A. User-defined data types
B. Built-in data types http://www.sstutor.com/cpp/stream1.htm
C. User-defined and built-in data types
D. None of the given options
2 What is the sequence of event(s) when allocating memory using new operator?
A. Only block of memory is allocated for objects
B. Only constructor is called for objects
C. Memory is allocated first before calling constructor
D. Constructor is called first before allocating memory
3 What will be the correct syntax to declare two-dimensional array of float data type?
A. float arr{2}{2} ;
B. float arr[2][2] ;
C. float arr[2,2] ;
D. float[2][2] arr ;
4 Friend function of a class is ______________
A. Member function
B. Non-member function
C. Private function
D. Public function
5 Consider the following code segment. What will be the output of following code? Int addValue (int *a){ int b = (*a) + 2; return b ; } main () { int x =6 ; cout << x << “,” ; cout << addValue(&x) << “,” ; cout << x ; }.
A. 6,8,6
B. 6,6,8
C. 6,8,8
D. 6,6,6
6 The return type of the operator function for << operator is __________.
A. class for which we overload operator
B. reference of ostream class (ostream&)
C. reference of istream class (istream&)
D. void
7 The first parameter of overloaded stream insertion operator is _________ where second parameter is _______ .
A. input stream, object of class
B. object of class, output stream
C. output stream, object of class
D. object of class, input stream
8 New and Delete are also used with ___________ and data types as well.
A. Class, Objects
B. Structures, Pointers
C. Both Class and structures
D. None of above
9 How many bytes will the pointer intPtr of type int move in the following statement? intPtr += 3 ;
A. 3 bytes
B. 6 bytes
C. 12 bytes
D. 24 bytes
10 What purpose do classes serve?
A. Data encapsulation
B. Providing a convenient way of modeling real-world objects
C. Simplifying code reuse
D. All of the given options

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