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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 16 of 25

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Q151.
What is the value of the postfix expression 6 3 2 4 + โ€“ *:
Discuss
Answer: (d).Something between 15 and 100
Q152.
Here is an infix expression: 4 + 3*(6*3-12). Suppose that we are using the usual stack algorithm to convert the expression from infix to postfix notation.
The maximum number of symbols that will appear on the stack AT ONE TIME during the conversion of this expression?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Q153.
The postfix form of the expression (A+ B)*(C*D- E)*F / G is?
Discuss
Answer: (a).AB+ CD*E โ€“ FG /**
Q154.
The data structure required to check whether an expression contains balanced parenthesis is?
Discuss
Answer: (a).Stack
Q155.
The process of accessing data stored in a serial access memory is similar to manipulating data on a ________
Discuss
Answer: (d).Stack
Q156.
The postfix form of A*B+C/D is?
Discuss
Answer: (b).AB*CD/+
Q157.
The prefix form of A-B/ (C * D ^ E) is?
Discuss
Answer: (c).-A/B*C^DE
Q158.
What is the result of the following operation
Top (Push (S, X))
Discuss
Answer: (a).X
Q159.
The prefix form of an infix expression p + q โ€“ r * t is?
Discuss
Answer: (c).โ€“ +pq * rt
Q160.
The result of evaluating the postfix expression 5, 4, 6, +, *, 4, 9, 3, /, +, * is?
Discuss
Answer: (b).350

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