C++ Programming MCQ

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

• Which is the correct way of handling arguments with spaces?
  ক

  Use single quotes

  খ

  Either single or double quotes

  গ

  Use double quotes

  ঘ

  There is no way of handling arguments with space
• Which character is used to separate different arguments?
  ক

  #

  খ

  $

  গ

  space

  ঘ

  |
• Which of the following gives the name of the program if the second parameter to the main fucntion is char **argv? b) argv c) argv d) argv
  ক

  argv

  খ

  3

  গ

  3

  ঘ

  3
• Which of the following is correct about the second parameter of the main function?
  ক

  Second parameter is an array of character pointers

  খ

  First string of the list is the name of the program’s output fle

  গ

  The string in the list are separated by space in the terminal

  ঘ

  All of the mentioned
• Which of the following is correct about the first parameter of the main function?
  ক

  First argument is of int type

  খ

  Stores the count of command line arguments

  গ

  First argument is non-negative

  ঘ

  All of the mentioned
• What does the second parameter of the main function represent?
  ক

  Number of command line arguments

  খ

  List of command line arguments

  গ

  Dictionary of command line arguments

  ঘ

  Stack of command line arguments
• What does the first parameter of the main function represent?
  ক

  Number of command line arguments

  খ

  List of command line arguments

  গ

  Dictionary of command line arguments

  ঘ

  Stack of command line arguments
• To use command line arguments in C++, how many parameters are passed to the main function?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• What are command line arguments?
  ক

  Arguments passed to main() function

  খ

  Arguments passed to any function

  গ

  Arguments passed to class functions

  ঘ

  Arguments passed to structure functions
• Which of the following operator is used to capture all the external variable by value?
  ক

  &

  খ

  =

  গ

  *

  ঘ

  &&
• Which of the following operator is used to capture all the external variable by reference?
  ক

  &

  খ

  =

  গ

  *

  ঘ

  &&
• In how many ways we can capture the external variables in the lambda expression?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• What is the correct statement about lambda expression?
  ক

  The return type of lambda expression can be neglected in some cases

  খ

  The return type of lambda expression must be specified in all cases

  গ

  Lambda expression should be very large functions

  ঘ

  Lambda expression is also available in C
• What is lambda expression in C++?
  ক

  A technique of C++ that allows us to write inline functions without a name

  খ

  A technique of C++ that allows us to write overloaded functions

  গ

  A technique of C++ that allows us to write functions that are called more than once

  ঘ

  A technique of C++ that allows us to write functions without parameters
• Which of the following is used to move the file pointer to start of a file?
  ক

  ios::beg

  খ

  ios::start

  গ

  ios::cur

  ঘ

  ios::first
• Which function is used to reposition the file pointer?
  ক

  moveg()

  খ

  seekg()

  গ

  changep()

  ঘ

  go_p()
• Which function is used in C++ to get the current position of file pointer in a file?
  ক

  tell_p()

  খ

  get_pos()

  গ

  get_p()

  ঘ

  tell_pos()
• Which of the following is the default mode of the opening using the fstream class?
  ক

  ios::in

  খ

  ios::out

  গ

  ios::in|ios::out

  ঘ

  ios::trunc
• Which of the following is the default mode of the opening using the ifstream class?
  ক

  ios::in

  খ

  ios::out

  গ

  ios::app

  ঘ

  ios::trunc
• Which of the following is not used to seek file pointer?
  ক

  ios::set

  খ

  ios::end

  গ

  ios::cur

  ঘ

  ios::beg
• What is the return type open() method?
  ক

  int

  খ

  char

  গ

  bool

  ঘ

  float
• Which of the following is the default mode of the opening using the ofstream class?
  ক

  ios::in

  খ

  ios::out

  গ

  ios::app

  ঘ

  ios::trunc
• What is the use of ios::trunc mode?
  ক

  To open a file in input mode

  খ

  To open a file in output mode

  গ

  To truncate an existing file to half

  ঘ

  To truncate an existing file to zero
• Which of the following is not used as a file opening mode?
  ক

  ios::trunc

  খ

  ios::binary

  গ

  ios::in

  ঘ

  ios::ate
• Which of the following is used to create a stream that performs both input and output operations?
  ক

  ofstream

  খ

  ifstream

  গ

  iostream

  ঘ

  fstream
• Which of the following is used to create an output stream?
  ক

  ofstream

  খ

  ifstream

  গ

  iostream

  ঘ

  fsstream
• Which header file is required to use file I/O operations?
  ক

  <ifstream>

  খ

  <ostream>

  গ

  <fstream>

  ঘ

  <iostream>
• Which can be used to create a random number without duplication?
  ক

  Character

  খ

  Time

  গ

  Both Character & Time

  ঘ

  Date
• Which operator is used to produce a certain number in a specific range?
  ক

  $

  খ

  %

  গ

  modulo operator

  ঘ

  both % and modulo operator
• How many parameters are available in srand function?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4