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Welcome to the Stacks and Queues MCQs Page

Dive deep into the fascinating world of Stacks and Queues with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Stacks and Queues, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Stacks and Queues, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Stacks and Queues. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Stacks and Queues. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Stacks and Queues MCQs | Page 8 of 25

Q71.
The result of evaluating the following postfix expression is
5, 7, 9, *, +, 4, 9, 3, /, +, -
Discuss
Answer: (c).61
Q72.
An infix expression can be converted to a postfix expression using a .................
Discuss
Answer: (a).Stack
Q73.
A data structure in which an element is added and removed only from one end, is known as
Discuss
Answer: (b).Stack
Q74.
The data structure needed to convert a recursion to an iterative procedure is ............
Discuss
Answer: (c).Stack
Q75.
The prefix form of an infix expression A+B-C*D is
Discuss
Answer: (c).-+A B * C D
Q76.
One can determine whether an infix expression has balanced parenthesis or not by using .............
Discuss
Answer: (c).Stack
Q77.
n elements of a Queue are to be reversed using another queue. The number of “ADD” and “REMOVE” operations required to do so is:
Discuss
Answer: (d).The task cannot be accomplished
Q78.
One can convert an infix expression to a postfix expression using a ..............
Discuss
Answer: (a).Stack
Q79.
Which of the following types of expressions do not require precedence rules for evaluation?
Discuss
Answer: (a).fully parenthesised infix expression
Q80.
The postfix form of A ^ B * C - D + E/ F/ (G + H)
Discuss
Answer: (a). AB^C*D-EF/GH+/+

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