C and C++ Programming Language

Q.91   What will be the result of the expression 13 & 25? (A) 38  (B)  25 (C)  9  (D)  12      Ans:C  Q.92   Which of the following operator can be overloaded through friend function? (A)  ->   (B)  = (C)  ( )   (D)  *        Ans:D   Q.93  To access the public function…

Q.76   Which of the following expressions is illegal? (A)  ( ) 6 10 .  (B)  (false && true) (C)  bool (x) = (bool)10;  (D)  float y = 12.67;       Ans:C   Q.77  The actual source code for implementing a template function is created when   (A) The declaration of function appears. (B) The…

Q.61  An array element is accessed using (A)  a FIFO approach  (B)  an index number (C)  the operator  (D)  a member name     Ans:B   Q.62   If there is a pointer p to object of a base class and it contains the address of an object of a derived class and both classes contain…

Q.46   Given a class named Book, which of the following is not a valid constructor?   (A)  Book ( ) { }               (B)  Book ( Book b) { } (C)  Book ( Book &b) { }   (D)  Book (char* author, char* title) { }       Ans:B   Q47  Which…

Q.1   The address of a variable temp of type float is          (A) *temp  (B) &temp     (C) float& temp  (D) float temp&     Ans: B   Q.2   What is the output of the following code           char symbol[3]={ΓÇÿaΓÇÖ,ΓÇÿbΓÇÖ,ΓÇÿcΓÇÖ};            for (int index=0; index<3; index++)         cout << symbol…

Q.31  Use of virtual functions implies (A)  overloading.  (B)  overriding. (C)  static binding.  (D)  dynamic binding. Ans: D   Q.32   this pointer      (A)  implicitly points to an object.    (B)  can be explicitly used in a class. (C)  can be used to return an object.   (D)  All of the above.    Ans: D…

Q.16   If we create a file by ΓÇÿifstreamΓÇÖ, then the default mode of the file is _________    (A)  ios :: out  (B)  ios :: in (C)  ios :: app  (D)  ios :: binary     Ans: B   Q.17   A variable defined within a block is visible        (A) from the point of…

Question 1: A function can not be overloaded only by its return type. a. True b. False   Question 2: A function can be overloaded with a different return type if it has all the parameters same. a. True b. False   Question 3: Inline functions involves some additional overhead in running time. a. True…

Question 1 Identify the correct statement a. Programmer can use comments to include short explanations within the source code itself. b. All lines beginning with two slash signs are considered comments. c. Comments very important effect on the behaviour of the program d. both   Question 2 The directives for the preprocessors begin with a.   …

Question 1 A variable is/are a.    String that varies during program execution b.    A portion of memory to store a determined value c.    Those numbers that are frequently required in programs d.    None of these   Question 2 Which of the following can not be used as identifiers? a.    Letters b.    Digits c.    Underscores d.   …