C Programming MCQs with answers Page - 6

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

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Q. In which tree, for every node the height of its left subtree and right subtree differ almost by one?

  • (A) binary search tree
  • (B) avl tree
  • (C) threaded binary tree
  • (D) complete binary tree

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Q. C is ______ Language?

  • (A) low level
  • (B) high level
  • (C) assembly level
  • (D) machine level

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Q. The Default Parameter Passing Mechanism is called as

  • (A) call by value
  • (B) call by reference
  • (C) call by address
  • (D) call by name

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Q. What is Dequeue?

  • (A) elements can be added from front
  • (B) elements can be added to or removed from either the front or rear
  • (C) elements can be added from rear
  • (D) none of the above

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Q. In which linked list last node address is null?

  • (A) doubly linked list
  • (B) circular list
  • (C) singly linked list
  • (D) none of the above

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Q. Which is the correct syntax to declare constant pointer?

  • (A) int *const constptr;
  • (B) *int constant constptr;
  • (C) const int *constptr;
  • (D) a and c both

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Q. Which of the following is not a valid C variable name?

  • (A) int number;
  • (B) float rate;
  • (C) int variable_count;
  • (D) int $main;

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Q. All keywords in C are in ____________

  • (A) LowerCase letters
  • (B) UpperCase letters
  • (C) CamelCase letters
  • (D) None of the mentioned

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Q. Which of the following is true for variable names in C?

  • (A) They can contain alphanumeric characters as well as special characters
  • (B) It is not an error to declare a variable to be one of the keywords(like goto, static)
  • (C) Variable names cannot start with a digit
  • (D) Variable can be of any length

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Q. Which is valid C expression?

  • (A) int my_num = 100,000;
  • (B) int my_num = 100000;
  • (C) int my num = 1000;
  • (D) int $my_num = 10000;

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