PGDCA Second Semester Exam: Quiz!

100 Questions | By Oca2018 | Last updated: Mar 21, 2022 | Total Attempts: 276

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PGDCA Second Semester Exam: Quiz! - Quiz

Do you know what PGDCA stands for? It means Post Graduate Diploma in Computer Applications. This program permits students to seek answers to any questions they may have in computer applications. It is a one-year program that teaches students about computer science. It is a course designed to motivate students to learn about the evolution and development of computer applications. This quiz will assist any student on their journey to becoming more adept with computers.

Questions and Answers

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