C++ MCQs with answers Page - 96

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Q. Which of the following is not a valid conditional inclusion in preprocessor directives?

  • (A) #elif
  • (B) #endif
  • (C) #ifundef
  • (D) #ifdef

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Q. Which one of the following is not a fundamental data type in C++?

  • (A) float
  • (B) string
  • (C) int
  • (D) wchar_t

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Q. Which of the following correctly describes C++ language?

  • (A) Dynamically typed language
  • (B) Statically typed language
  • (C) Both Statically and dynamically typed language
  • (D) Type-less language

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Q. What is the implicit pointer that is passed as the first argument for non-static member functions?

  • (A) ‘this’ pointer
  • (B) ‘Myself’ pointer
  • (C) std::auto_ptr pointer
  • (D) ‘self’ pointer

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Q. Which of the following is not true about preprocessor directives?

  • (A) They form an integral part of the code
  • (B) They have to end with a semi colon
  • (C) They begin with a hash symbol
  • (D) They are processed by a preprocessor

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Q. What’s wrong? for (int k = 2, k <=12, k++)

  • (A) The increment should always be ++k
  • (B) The variable must always be the letter i when using a for loop
  • (C) There should be a semicolon at the end of the statement
  • (D) The commas should be semicolons

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Q. Which of the following is a valid destructor of the class name “Country”?

  • (A) void ~Country()
  • (B) int ~Country(Country obj)
  • (C) void Country()
  • (D) int ~Country()

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Q. Statement scanf(“%d”,80);

  • (A) Assign an float to variable i
  • (B) Print the value of i
  • (C) Give an error message
  • (D) Assign an integer to variable i

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Q. If there is more than one statement in the block of a for loop, which of the following must be placed at the beginning and the ending loop block?

  • (A) arrows < >
  • (B) brackets [ ]
  • (C) braces { }
  • (D) parentheses ( )

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Q. Which of the following is the most common way of implementing C++?

  • (A) C++ programs are directly compiled into native code by a compiler
  • (B) C++ programs are first compiled to intermediate code by a compiler and then executed by a virtual machine
  • (C) C++ programs are interpreted by an interpreter
  • (D) A C++ editor directly compiles and executes the program

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