C++ MCQs with answers Page - 141

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. Identify the valid integer from the following:

  • (A) 325.6
  • (B) 255 356UL
  • (C) ‐3658 9586L
  • (D) +324454ul

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Q. A ‐‐‐‐‐ is the name of the storage location

  • (A) Identifier
  • (B) Variable
  • (C) Keyword
  • (D) Token

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Q. The operator “>>” is called ‐‐‐‐‐

  • (A) Extraction operator
  • (B) Insertion operator
  • (C) Put to operator
  • (D) Printing operator

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Q. Array indexing always starts with the number

  • (A) 0
  • (B) 1
  • (C) 2
  • (D)

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Q. We declare a function with ______ if it does not have any return type

  • (A) long
  • (B) double
  • (C) void
  • (D) int

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Q. Which of the following is selection statement in C++?

  • (A) Break
  • (B) goto
  • (C) exit
  • (D) switch

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Q. There is a unique function in C++ program by where all C++ programs start their execution

  • (A) start()
  • (B) begin()
  • (C) main()
  • (D) output()

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Q. A block comment can be written by

  • (A) Starting every line with double slashes (//)
  • (B) Starting with /* and ending with */
  • (C) Starting with //* and ending with *//
  • (D) Starting with <!‐ and ending with ‐!>

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Q. Which of the following is a correct comment?

  • (A) */ Comments */
  • (B) ** Comment **
  • (C) /* Comment */
  • (D) { Comment }

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Q. Which of the following is the correct syntax for defining a constant in C++?

  • (A) const int x = 5;
  • (B) constant int x = 5;
  • (C) int const x = 5;
  • (D) int x = const 5;

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