Test: Queue - 1 - CUET Humanities MCQ

# Test: Queue - 1 - CUET Humanities MCQ

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## 10 Questions MCQ Test Computer Science Practice Tests: CUET Preparation - Test: Queue - 1

Test: Queue - 1 for CUET Humanities 2024 is part of Computer Science Practice Tests: CUET Preparation preparation. The Test: Queue - 1 questions and answers have been prepared according to the CUET Humanities exam syllabus.The Test: Queue - 1 MCQs are made for CUET Humanities 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Queue - 1 below.
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Test: Queue - 1 - Question 1

### The ______ is a data structure which is also called a list where data elements can be added from one end of the list and removed from the other end of the list.

Detailed Solution for Test: Queue - 1 - Question 1

Queue is a data structure which is also called a list where data elements can be added from one end of the list and removed from the other end of the list.

Test: Queue - 1 - Question 2

### Which of the following statements would be followed if Front = Rear in a queue data structure?

Detailed Solution for Test: Queue - 1 - Question 2

If Front = Rear, then queue has only one element.
Therefore, Front = 0 and Rear = 0

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Test: Queue - 1 - Question 3

### A queue is a linear list in which insertions can take place at one end of the list, which is called ________ of the list.

Detailed Solution for Test: Queue - 1 - Question 3

A queue is a linear list in which insertions can take place at one end of the list, which is called rear of the list.

Test: Queue - 1 - Question 4

How many possibilities are there which occur in dequeue operations on a circular queue?

Detailed Solution for Test: Queue - 1 - Question 4

There are two possibilities which occur in dequeue operations on a circular queue.

Test: Queue - 1 - Question 5

______ is a kind of queue in which each element is assigned a priority.

Detailed Solution for Test: Queue - 1 - Question 5

Priority queue is a kind of queue in which each element is assigned a priority.

Test: Queue - 1 - Question 6

Which of the following operations on queue removes the front item from the queue and does not accept any arguments, and also does not return the item?

Detailed Solution for Test: Queue - 1 - Question 6

This operation on queue removes the front item from the queue.

Test: Queue - 1 - Question 7

FIFO stands for

Detailed Solution for Test: Queue - 1 - Question 7

FIFO stands for First In First Out.

Test: Queue - 1 - Question 8

Which of the following queues does not follow FIFO method?

Detailed Solution for Test: Queue - 1 - Question 8

Priority queue does not follow the FIFO method because where insertion process depends on the order of arrival, the deletion process is based on priority.

Test: Queue - 1 - Question 9

What is the minimum number of stack(s) needed to implement queue functionality, i.e., FIFO (first in first out)?

Detailed Solution for Test: Queue - 1 - Question 9

Minimum stacks needed to implement queue functionality is 2.
It can be done in the following way:
Take two stacks.
For enqueue operation, blindly push the elements into the first stack.
But when it comes to dequeue, we need to use the second stack.
When dequeue operation is to be performed, pop all elements from first stack and push all of them into second stack. Now the element first inserted into the stack will be at the top of the second stack. (FIFO functionality). Pop that element and again pop all elements from second stack and push back to first stack.
Repeat the above process for every dequeue operation.
Hence 2 stacks are enough. This is correct option.

Test: Queue - 1 - Question 10

Which of the following data structures supports insertion or deletion of elements either from the front (head) or back (tail)?

Detailed Solution for Test: Queue - 1 - Question 10

Dequeue supports insertion or deletion of elements from head or back. Dequeue stands for double ended queue.

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