C++ MCQs with answers Page - 133

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Q. The continue statement

  • (A) resumes the program if it is hanged
  • (B) resumes the program if it was break was applied
  • (C) skips the rest of the loop in current iteration
  • (D) all of above

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Q. Find out the error in following block of code. If (x = 100) Cout << “x is 100”;

  • (A) 100 should be enclosed in quotations
  • (B) There is no semicolon at the end of first line
  • (C) Equals to operator mistake
  • (D) Variable x should not be inside quotation

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Q. What is the final value of x when the code int x; for(x=0; x<10; x++) {} is run?

  • (A) 10
  • (B) 9
  • (C) 0
  • (D) 1

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Q. When following piece of code is executed, what happens?b = 3; a = b++;

  • (A) a contains 3 and b contains 4
  • (B) a contains 4 and b contains 4
  • (C) a contains 4 and b contains 3
  • (D) a contains 3 and b contains 3

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Q. In case of arguments passed by values when calling a function such as z=addidion(x,y),

  • (A) Any modifications to the variables x & y from inside the function will not have any effect outside the function.
  • (B) The variables x and y will be updated when any modification is done in the function
  • (C) The variables x and y are passed to the function addition
  • (D) None of above are valid.

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Q. How many times is a do while loop guaranteed to loop?

  • (A) 0
  • (B) Infinitely
  • (C) 1
  • (D) variable

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Q. Which of the following is not a valid relational operator?

  • (A) ==
  • (B) =>
  • (C) >=
  • (D) >=

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Q. The result of a Relational operation is always

  • (A) either True or False
  • (B) is less than or is more than
  • (C) is equal or less or more
  • (D) All of these

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Q. A ‐‐‐‐‐‐‐‐ is a memory portion of memory to store a determined value.

  • (A) Constant
  • (B) Variable
  • (C) Keyword
  • (D) Separators

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Q. An identifier may ‐‐‐‐‐‐‐‐

  • (A) Strings, that varies at program execution.
  • (B) Those numbers, that is frequently required in programs.
  • (C) The name of a variable.
  • (D) None of these

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