PGDCA Second Semester Exam
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- 1.Which of the following is/are storage class
- A.
Automatic
- B.
Static
- C.
Allocated
- D.
All
- 2.What will the output of following code { int x = 10, y = 15; x = x++; y = ++y; printf(“%d, %d \n”, x, y); }
- A.
10, 15
- B.
10, 16
- C.
11, 16
- D.
11, 15
- 3.NULL Pointer can be used as
- A.
To stop indirection in a recursive data structure
- B.
As an error value
- C.
As a sentinel Value
- D.
All
- 4.Which one of the following is not the advantages of functions?
- A.
Debugging is easier
- B.
Testing is easier
- C.
Recursive call is possible
- D.
It consumes low disk space
- 5.What is the result of the following statement? X = 10; y = ++x;
- A.
X = 10, y = 10
- B.
X = 10, y = 11
- C.
X = 11, y = 10
- D.
X = 11, y = 11
- 6.Which of the following statement creates infinite loop?
- A.
For ( ; ; )
- B.
While ( ; ; )
- C.
When ( ; ; )
- D.
If( ; ; )
- 7.To use the function tolower(), which of the following header file should include
- A.
String.h
- B.
Conio.h
- C.
Ctype.h
- D.
Don’t need any header file
- 8.What is the function overloading?
- A.
Calling a function from another function
- B.
Having more than one functions of same name
- C.
Calling a function from itself
- D.
There is no such term in C/C++
- 9.By default, members of a C++ class are
- A.
Private
- B.
Public
- C.
Protected
- D.
None
- 10.Which of the following statements is true in C++?
- A.
A struct cannot have member functions
- B.
A struct cannot have private members
- C.
The default access modifier of struct is public
- D.
None
- 11.C++ supports
- A.
Multiple inheritance
- B.
Pointer to functions
- C.
Recursion
- D.
All
- 12.Which of the following is not a C++ keyword?
- A.
Extern
- B.
Auto
- C.
Inherits
- D.
None
- 13.Which of the following is not a bitwise operator?
- A.
& &
- B.
<
- C.
~
- D.
^
- 14.In C++, the expression 5/2 is evaluated to
- A.
2.5
- B.
2
- C.
3
- D.
None
- 15.C++ was originally developed by
- A.
Nicolas Wirth
- B.
Donald Knuth
- C.
Bjarne Stroustrup
- D.
Ken Thompson
- 16.The standard C++ comment
- A.
/
- B.
//
- C.
/* and */
- D.
None of these
- 17.The operator << is called
- A.
An insertion operator
- B.
Put to operator
- C.
Either a or b
- D.
None of these
- 18.What is a reference?
- A.
An operator
- B.
A reference is an alias for an object
- C.
Used to rename an object
- D.
None of these
- 19.A constructor is called whenever
- A.
A object is declared
- B.
An object is used
- C.
A class is declared
- D.
A class is used
- 20.Overload function in C++
- A.
A group function with the same name
- B.
All have the same number and type of arguments
- C.
Functions with same name and same number and type of arguments
- D.
All
- 21.Operator overloading is
- A.
Making C++ operators works with objects
- B.
Giving new meaning to existing C++ operators
- C.
Making new C++ operator
- D.
Making C++ operators works with objects and giving new meaning to existing C++ operators
- 22.A constructor is called whenever
- A.
A object is declared
- B.
An object is used
- C.
A class is declared
- D.
A class is used
- 23.A class having no name
- A.
Is not allowed
- B.
Can’t have a constructor
- C.
Can’t have a destructor
- D.
Can’t be passed as an argument
- 24.The differences between constructors and destructor are
- A.
Constructors can take arguments but destructor can’t
- B.
Constructors can be overloaded but destructors can’t be overloaded
- C.
Both
- D.
None of these
- 25.A destructor takes
- A.
One argument
- B.
Two arguments
- C.
Three arguments
- D.
Zero arguments
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