C++ MCQs with answers Page - 134

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. The visibility of variables inside a structure is

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

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Q. ‐‐‐‐‐‐‐ are used for comparing two conditions or to write a compound condition.

  • (A) Relational operators
  • (B) Ternary operator
  • (C) Conditional operator
  • (D) Logical operator

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Q. ‐‐‐‐‐ statement is used to print a blank line in CPP program

  • (A) “ ”
  • (B) endl
  • (C) Both ‘a’ and ‘b’
  • (D) None of these

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Q. int d=int (a) + int (b);This statement is an example of ‐‐‐‐‐‐‐

  • (A) Implicit conversion
  • (B) Explicit conversion
  • (C) Internal conversion
  • (D) External conversion

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Q. Within a switch statement

  • (A) Continue can be used but Break cannot be used
  • (B) Continue cannot be used but Break can be used
  • (C) Both Continue and Break can be used
  • (D) Neither Continue nor Break can be used

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Q. Strings are character arrays. The last index of it contains the null‐terminated character

  • (A)
  • (B)
  • (C)
  • (D) 1

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Q. Observe following function declaration and choose the best Ans:: int divide ( int a, int b = 2 )

  • (A) Variable b is of integer type and will always have value 2
  • (B) Variable a and b are of int type and the initial value of both variables is 2
  • (C) Variable b is international scope and will have value 2
  • (D) Variable b will have value 2 if not specified when calling function

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Q. Arguments of a functions are separated with

  • (A) comma (,)
  • (B) semicolon (;)
  • (C) colon (:)
  • (D) None of these

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Q. Variables inside parenthesis of functions declarations have _____ level access.

  • (A) Local
  • (B) Global
  • (C) Module
  • (D) Universal

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Q. ‐‐‐‐‐‐‐‐‐‐‐ Statement used to branch unconditionally from one point to another in the program.

  • (A) Jump
  • (B) goto
  • (C) break
  • (D) exit(0)

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