Object Oriented Programming Using C Plus Plus MCQ

Test your knowledge with important Object Oriented Programming Using C Plus Plus MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Object Oriented Programming Using C Plus Plus MCQs at Bissoy

• A child class _____ exist if there is no parent class
  ক

  must

  খ

  may

  গ

  cannot

  ঘ

  can
• Which of the following is a string literal constant?
  ক

  "Visual C++"

  খ

  "137.45"

  গ

  "A"

  ঘ

  "2,365"

  ঙ

  All of the above
• The loosest type of coupling is
  ক

  data coupling

  খ

  control coupling

  গ

  external coupling

  ঘ

  pathological coupling
• Which of the following type casts will convert an Integer variable named amount to a Double type?
  ক

  (double) amount

  খ

  (int to double) amount

  গ

  int to double(amount)

  ঘ

  int (amount) to double
• The body of a C++ function is surrounded by _____
  ক

  parentheses

  খ

  angle brackets

  গ

  curly brackets

  ঘ

  square brackets
• The statement fwrite ( (char*)&objl, sizeof(objl) );
  ক

  writes the member functions of objl to fl

  খ

  writes the data in objl to fl

  গ

  writes the member functions and me data of objl to fl

  ঘ

  writes the address of objl to fl
• Assume that a program creates and initializes a Short Integer variable named age and a pointer named agePtr, to which it assigns the address of the age variable. Which of the following statements will assign the number 21 to the age variable?
  ক

  age = 21;

  খ

  *age = 21;

  গ

  agePtr = 21;

  ঘ

  *agePtr = 21;

  ঙ

  both (a) and (d)
• Two or more arrays whose elements are related by their position (subscript) in the arrays are called _____ arrays
  ক

  horizontal

  খ

  paired

  গ

  parallel

  ঘ

  related

  ঙ

  vertical
• Which of the following flowchart symbols represents the if selection structure?
  ক

  diamond

  খ

  hexagon

  গ

  oval

  ঘ

  parallelogram

  ঙ

  rectangle
• Values that are used to end loops are referred to as _____ values
  ক

  end

  খ

  finish

  গ

  sentinel

  ঘ

  stop
• In C++, you use _____ to perform standard input and output operations
  ক

  characters

  খ

  sequences

  গ

  streams

  ঘ

  tests
• Which of the following operators is the equality operator?
  ক

  !=

  খ

  =

  গ

  ==

  ঘ

  <font size="+2">→›</font>
• The standard output stream, which refers to the computer screen, is called
  ক

  cin

  খ

  cout

  গ

  stin

  ঘ

  stout

  ঙ

  None of the above
• You define a structure type globally because
  ক

  you save many lines of code by not rewriting an identical structure definition in each function that uses it

  খ

  you will never change its definition

  গ

  it is required in C++

  ঘ

  all of the above
• Object-oriented programmers primarily focus on _________
  ক

  procedures to be performed

  খ

  the step-by-step statements needed to solve a problem

  গ

  objects and the tasks that must be performed with those objects

  ঘ

  the physical orientation of objects within a program
• In a template function, _____ argument is generic, or parameterized
  ক

  no

  খ

  exactly one

  গ

  at least one

  ঘ

  more than one
• In the expression p → val, p is a(n)
  ক

  address

  খ

  pointer

  গ

  structure

  ঘ

  header
• Variables that are known only to the function in which they are declared are called _____ variables
  ক

  global

  খ

  local

  গ

  main

  ঘ

  separate

  ঙ

  void
• The main() function is always
  ক

  a called function

  খ

  a calling function

  গ

  recursive function

  ঘ

  used at the end of the program

  ঙ

  None of the above
• Which of the following statements declares a one-dimensional Character array named item that consists of five elements?
  ক

  char item = "";

  খ

  char item = "";

  গ

  char item = "";

  ঘ

  char item = "";

  ঙ

  string item = ' ';
• In the C language, a string is assigned to the
  ক

  char type of variable

  খ

  string type of variable

  গ

  conversion specification %s

  ঘ

  All of the above
• A default exception block must be placed _____
  ক

  first among the catch blocks

  খ

  last among the catch blocks

  গ

  globally, at the top of the file

  ঘ

  at the end of all code in the program
• The bitwise AND operator is represented by the symbol
  ক

  ^

  খ

  &amp;

  গ

  &amp;&amp;

  ঘ

  &gt;&gt;

  ঙ

  None of the above
• Which of the following creates a String named constant called partNo, whose value is AB45?
  ক

  const char partNo = "AB45";

  খ

  const char partNo = 'AB45';

  গ

  const char partNo = "AB45";

  ঘ

  const char partNo = "AB45";

  ঙ

  None of the above
• An identifier in C
  ক

  is a name of a thing such as variable and function

  খ

  is made up of letters, numerals and the underscore

  গ

  can contain both uppercase and lowercase letters

  ঘ

  All of the above

  ঙ

  None of the above
• The expression c = i++ causes
  ক

  the value of i assigned to c and then i incremented by 1

  খ

  i to be incremented by 1 and then the value of i assigned to c

  গ

  value of i assigned to c

  ঘ

  i to be incremented by 1

  ঙ

  None of the above
• Which of the following are never inherited?
  ক

  public data members

  খ

  constructor functions

  গ

  void functions

  ঘ

  overloaded + operators
• Assume that a program includes the short *agePtr = NULL; statement. The name of the pointer is _____
  ক

  *agePtr

  খ

  age*Ptr

  গ

  agePtr

  ঘ

  NULL
• The type of value that a function sends back to the function that calls it is known as its _____
  ক

  type

  খ

  return value

  গ

  reference data

  ঘ

  sentinel
• With commercial classes, the function source code is usually________
  ক

  printed on high-quality paper

  খ

  poorly written

  গ

  provided on a disk

  ঘ

  provided in object form