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Accenture Stacks and Queues Quiz-1

Question 1

Time: 00:00:00

When new data are to be inserted into a data structure, but there is not available space; this situation is usually called .......

Memory Leak

Memory Full

OverLeak

Overflow

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Question 2

Time: 00:00:00

In a queue, the initial values of front pointer f rare pointer r should be …….. and ……….. respectively.

-1, -1

0, -1

0, 0

-1, 0

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Question 3

Time: 00:00:00

The retrieval of items in a stack is ……….. operation.

push

pop

retrieval

access

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Question 4

Time: 00:00:00

Which one of the following is an application of Queue Data Structure?

When a resource is shared among multiple consumers.

When data is transferred asynchronously (data not necessarily received at same rate as sent) between two processes

Load Balancing

All the above

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Queue has many applications like - 1) When a resource is shared among multiple consumers. Examples include CPU scheduling, Disk Scheduling.
2) When data is transferred asynchronously (data not necessarily received at same rate as sent) between two processes. Examples include IO Buffers, pipes, file IO, etc.

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Question 5

Time: 00:00:00

These operations can be performed on which type of structure?

Push, Pop, Peek

Queue

Priority Queue

Stack

Both 1 and 2

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Only stack has these queue has enqueue and dequeue

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Question 6

Time: 00:00:00

Shalaka wants to implement a priority queue using stacks. What is the minimum number of stacks that she needs to be able to write a code for this

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Question 7

Time: 00:00:00

Cloe has x number of stacks her father wants her to write a program that can perform as a queue. What will you suggest to her how many stacks must she use?

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Check algo here - https://www.geeksforgeeks.org/queue-using-stacks/

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Question 8

Time: 00:00:00

Priya has a box that looks like a stack and she does the following operations on empty box

PUSH(8)

PUSH(7)

PUSH(1)

PUSH(3)

31_8

8_1_7

8_1_

None of these

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Question 9

Time: 00:00:00

Match the following -

Group A             Group B

A. Stacks           1. Matrix Multiplication

B. Queue            2. Fastest Search

C. Arrays           3. FIFO

D. Trees            4. LIFO

A1, B3, C4, D2

A4, B3, C1, D2

A4, B3, C2, D1

A1, B3, C2, D4

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Question 10

Time: 00:00:00

Which of the following is the correct postfix format for this infix format A + B – C + D

-+DC+BA

AB+CD+-

+BA-+CD

None of these

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AB+CD+-

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["0","40","60","80","100"]

["Need more practice! \r\n \r\n","Keep trying! \r\n \r\n","Not bad! \r\n \r\n","Good work! \r\n \r\n","Perfect! \r\n \r\n"]

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