C++ MCQs with answers Page - 132

Here, you will find a collection of MCQ questions on C++. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. 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

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Q. By default, the members of a C++ class are:

  • (A) Private
  • (B) Public
  • (C) Protected
  • (D) None of these

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Q. Which of the following function that must contain in all C++ Programs

  • (A) start()
  • (B) system()
  • (C) main()
  • (D) program()

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Q. Which one of the following is the correct operator to compare two values

  • (A) :=
  • (B) =
  • (C) Equal
  • (D) = =

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Q. C++ is originally developed by

  • (A) Nicolas Wirth
  • (B) Dennis Ritchi
  • (C) Bjarne Stroustrup
  • (D) Ken Thompson

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Q. The operator ‘<< ‘is called

  • (A) Get from operator
  • (B) Put to operator
  • (C) Extraction operator
  • (D) None of these

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Q. Identify the unary operator.

  • (A) ? , :
  • (B) ++
  • (C) +
  • (D) %

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Q. The ‐‐‐‐‐‐‐ are used to check the relationship between two numeric operands or expressions.

  • (A) Logical operators
  • (B) Relational operators
  • (C) Arithmetic operators
  • (D) Bitwise operators

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Q. To increase the value of c by one which of the following statement is wrong?

  • (A) c++;
  • (B) c = c + 1;
  • (C) c + 1 => c;
  • (D) c += 1

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Q. In an assignment statement a=b Which of the following statement is true?

  • (A) The variable a and the variable b are equal.
  • (B) The value of b is assigned to variable a but the later changes on variable b will not affect the value of variable a
  • (C) The value of b is assigned to variable a and the later changes on variable b will affect the value of variable a
  • (D) The value of variable a is assigned to variable b and the value of variable b is assigned to variable a.

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