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MCQs on Data Strcuture

Ques 1

NIELIT IT SA, ISRO scientist 2017

breadth first search рджреНрд╡рд╛рд░рд╛ рджрд┐рдП рдЧрдП рдЧреНрд░рд╛рдлрд╝ рдХреЛ рдкрд╛рд░ рдХрд░рдиреЗ рдореЗрдВ рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рдЙрдкрдпреЛрдЧреА рд╣реИ?

Which of the following is useful in traversing a given graph by breadth first search?

[A] Stack

[B] Set

[C] List

[D] Queue

Correct Answer : Queue


Ques 2

NIELIT IT SA 2017

рдпрджрд┐ queue рдХреЛ arrays рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд░рдХреЗ рдХрд╛рд░реНрдпрд╛рдиреНрд╡рд┐рдд рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИ, рддреЛ queue рдФрд░ dequeue operations рдХреА worst run time complexity рдХреНрдпрд╛ рд╣реЛрдЧреА?

If queue is implemented using arrays, what would be the worst run time complexity of queue and dequeue operations ?

[A] O(n), O(n)

[B] O(n), O(1)

[C] O(1), O(n)

[D] O(1), O(1)

Correct Answer : O(n), O(n)


Ques 3

NIELIT IT SA 2017

4 рдиреЛрдбреНрд╕ рд╡рд╛рд▓реЗ рд╕рдВрднрд╛рд╡рд┐рдд рдмрд╛рдЗрдирд░реА trees рдХреА рд╕рдВрдЦреНрдпрд╛ рд╣реИ

The number of possible binary trees with 4 nodes is

[A] 12

[B] 13

[C] 14

[D] 15

Correct Answer : 14


Ques 4

MEITY NIELIT SC 2022

6 рд╢реАрд░реНрд╖реЛрдВ, 7 рдХрд┐рдирд╛рд░реЛрдВ рд╡рд╛рд▓реЗ рдПрдХ рдЬреБрдбрд╝реЗ рд╣реБрдП рд╕рдорддрд▓реАрдп рдЧреНрд░рд╛рдл рдореЗрдВ ........ рдХреНрд╖реЗрддреНрд░ рд╢рд╛рдорд┐рд▓ рд╣реИрдВред

A connected planar graph having 6 vertices, 7 edges contains ........ regions.

[A] 15

[B] 11

[C] 3

[D] 1

Correct Answer : 11


Ques 5

UPP Programmer 2013

рд▓рд┐рдВрдХреНрдб рд╕реВрдЪреА рдПрдХ рд╣реИ

Linked list is a

[A] Static data structure

[B] Homogeneous data structure

[C] Heterogeneous data structure

[D] None of the above

Correct Answer : Homogeneous data structure


Ques 6

UPP Programmer 2013

рд╢реВрдиреНрдп рдХреЗ рдЙрдЪреНрдЪ рдЕрдиреБрдкрд╛рдд рд╡рд╛рд▓реЗ рдЖрд╡реНрдпреВрд╣ рдХрд╣рд▓рд╛рддреЗ рд╣реИрдВ

Matrices with high proportion of zeros are called

[A] zero matrix

[B] identity matrix

[C] Sparse matrix

[D] square matrices

Correct Answer : Sparse matrix


Ques 7

UPP Programmer 2013

рдпрджрд┐ рд╣рдо рдЕрдиреБрдХреНрд░рдо 30 9 15 45 24 8 5 75 50 80 рдХрд╛ рдПрдХ рджреНрд╡рд┐рдЖрдзрд╛рд░реА рдЦреЛрдЬ рд╡реГрдХреНрд╖ рдмрдирд╛рддреЗ рд╣реИрдВред рддреЛ рд╕рдВрдЦреНрдпрд╛ред рдмрд╛рдПрдВ рдЙрдк рд╡реГрдХреНрд╖, рджрд╛рдПрдВ рдЙрдк рд╡реГрдХреНрд╖ рдореЗрдВ рдиреЛрдбреНрд╕ рдФрд░ рдкреЗрдбрд╝ рдХреА рдКрдВрдЪрд╛рдИ рдЗрд╕ рдкреНрд░рдХрд╛рд░ рд╣реИ: (рдиреЛрдЯ: рдЦрд╛рд▓реА рдкреЗрдбрд╝ рдХреА рдКрдВрдЪрд╛рдИ 0 рдорд╛рдиреА рдЬрд╛рддреА рд╣реИ)

If we draw a binary search tree of the sequence 30 9 15 45 24 8 5 75 50 80. Then the no. of nodes in left sub tree, right sub tree and height of the tree are as follows: (note: empty tree is considered of height 0)

[A] 5 4 3

[B] 5 4 4

[C] 6 5 3

[D] 6 5 4

Correct Answer : 5 4 4


Ques 8

RRB NTPC 2021

рдпрджрд┐ рдореИрдЯреНрд░рд┐рдХреНрд╕ рдХрд╛ рдкреНрд░рддреНрдпреЗрдХ рддрддреНрд╡ рд╢реВрдиреНрдп рд╣реИ, рддреЛ рдореИрдЯреНрд░рд┐рдХреНрд╕ рд╣реИ:

If each element of a matrix is zero, then the matrix is:

[A] null

[B] identity

[C] scalar

[D] square

Correct Answer : null


Ques 9

MPESB Police Constable 2023

рдХрд┐рд╕реА рд╡реНрдпрдХреНрддрд┐ рд╡рд┐рд╢реЗрд╖ рдХреЗ рдмрд╛рд░реЗ рдореЗрдВ рд╡рд╣ рдЬрд╛рдирдХрд╛рд░реА рдЬреЛ рдЙрд╕рдХреЗ рдСрдирд▓рд╛рдЗрди рдЧрддрд┐рд╡рд┐рдзрд┐ рдХреЗ рдкрд░рд┐рдгрд╛рдорд╕реНрд╡рд░реВрдк рдЗрдВрдЯрд░рдиреЗрдЯ рдкрд░ рдореМрдЬреВрдж рд░рд╣рддреА рд╣реИ, рдЙрд╕рдХреЗ рдбрд┐рд▓реАрдЯ рд╣реЛрдиреЗ рдХреЗ рдмрд╛рдж рднреА, рдЙрд╕реЗ рдЗрд╕ рд░реВрдк рдореЗрдВ рдЬрд╛рдирд╛ рдЬрд╛рддрд╛ рд╣реИ:

The information about a particular person that exists on the Internet as a result of their online activity even after its deletion is known as:

[A] Collected data

[B] Digital data

[C] Digital footprint

[D] Digital activity

Correct Answer : Digital footprint


Ques 10

RSMSSSB IA 2023

рдмрд╛рдЗрдирд░реА рдЦреЛрдЬ рдПрд▓реНрдЧреЛрд░рд┐рджрдо рдорд╛рдирддрд╛ рд╣реИ рдХрд┐ рд╕рд░рдгреА рдореЗрдВ рдЖрдЗрдЯрдо __ рд╣реИрдВ рдФрд░ рдпрд╣ рдпрд╛ рддреЛ рдЖрдЗрдЯрдо рдвреВрдВрдврддрд╛ рд╣реИ рдпрд╛ рдПрдХ рддреБрд▓рдирд╛ рдХреЗ рд╕рд╛рде рд╕рд░рдгреА рдХреЗ рдЖрдзреЗ рд╣рд┐рд╕реНрд╕реЗ рдХреЛ рд╣рдЯрд╛ рджреЗрддрд╛ рд╣реИред

The Binary search algorithm assumes that the items in the array are __ and it either finds the item or eliminates half of the array with one comparison.

[A] Unsorted

[B] Sorted

[C] Checked

[D] Selected

Correct Answer : Sorted


Ques 11

рдХрд┐рд╕ рдкреНрд░рддрд┐рдорд╛рди рдиреЗ рд╕реЙрдлреНрдЯрд╡реЗрдпрд░ рд╡рд┐рдХрд╛рд╕ рдХреА рдкреНрд░рдХреНрд░рд┐рдпрд╛ рдореЗрдВ рдХреНрд░рд╛рдВрддрд┐ рд▓рд╛ рджреА рд╣реИ?

Which paradigm has revolutionized the process of software development?

[A] Software programming

[B] OOP

[C] PPP

[D] POP

Correct Answer : OOP


Ques 12

HPSSSB Ass Prog. 2018

_____ рдПрдХ рдЧреИрд░-рд░реЗрдЦреАрдп рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рд╣реИ рдЬрд┐рд╕рдореЗрдВ рддрддреНрд╡реЛрдВ рдХреЛ рдорд╛рддрд╛-рдкрд┐рддрд╛ рдФрд░ рдмрдЪреНрдЪреЛрдВ рдХреЗ рдкрджрд╛рдиреБрдХреНрд░рдо рдореЗрдВ рд╡реНрдпрд╡рд╕реНрдерд┐рдд рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИ?

_____ is a non-linear data structure in which elements are organized in a hierarchy of parents and children ?

[A] Queue

[B] List

[C] Tree

[D] Dequeue

Correct Answer : Tree


Ques 13

HPSSSB -2018

_____ рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рдХреЛ рд▓рд╛рд╕реНрдЯ рдЗрди рдлрд░реНрд╕реНрдЯ рдЖрдЙрдЯ (LIFO) рдХреЗ рдирд╛рдо рд╕реЗ рднреА рдЬрд╛рдирд╛ рдЬрд╛рддрд╛ рд╣реИред

_____ data structure is also known as Last In First Out (LIFO).

[A] Tree

[B] Stack

[C] Queue

[D] Array

Correct Answer : Stack


Ques 14

BIHAR STET-2023

рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рдореЗрдВ, рдбреЗрдЯрд╛ _______ рдкреНрд░рдХрд╛рд░ рдХрд╛ рд╣реЛ рд╕рдХрддрд╛ рд╣реИред

In data structure , data may of _______types.

[A] 1

[B] 2

[C] 3

[D] 4

Correct Answer : 4


Ques 15

BIHAR STET-2023

рд╕реНрдЯреИрдХ, рдХреНрдпреВ рдФрд░ рд▓рд┐рдВрдХреНрдб рд╕реВрдЪреА рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд░рдХреЗ рдХрд╛рд░реНрдпрд╛рдиреНрд╡рд┐рдд рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛ рд╣реИ

Stack , Queue and Linked list can be implemented using

[A] Numeric variable

[B] String variable

[C] Logical function

[D] Array

Correct Answer : Array


Ques 16

BIHAR STET-2023

рдХреМрди рд╕реА рд░рдЦрд░рдЦрд╛рд╡ рдкреНрд░рдХреНрд░рд┐рдпрд╛ рдореЗрдВ рд╕реЙрдлреНрдЯрд╡реЗрдпрд░ рдХреА рд╕рдВрд░рдЪрдирд╛ рдФрд░ рдХрд╛рд░реНрдпрдХреНрд╖рдорддрд╛ рдХрд╛ рджрд╕реНрддрд╛рд╡реЗрдЬреАрдХрд░рдг рд╢рд╛рдорд┐рд▓ рд╣реИ?

Which maintenance process involves documenting the software's structure and functionality?

[A] Reverse Engineering

[B] Preventive Maintenance

[C] Perfective Maintenance

[D] Adaptive Maintenance

Correct Answer : Reverse Engineering


Ques 17

HSSC-CET-2023

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХрд┐рд╕рдХрд╛ рдЙрдкрдпреЛрдЧ рдбреЗрдЯрд╛рдмреЗрд╕ рдХреА рд╕рдВрд░рдЪрдирд╛ рдХреЛ рдкрд░рд┐рднрд╛рд╖рд┐рдд рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдП рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИ?

Which of the following is used to define the structure of a database ?

[A] Data Manipulation Language(DML)

[B] Structured Query Language (SQL)

[C] Data Definition Language (DDL)

[D] None of these

Correct Answer : Data Definition Language (DDL)


Ques 18

DSSSB TGT -2023

рдбреЗрдЯрд╛рдмреЗрд╕ рдореЗрдВ рдмреА-рдЯреНрд░реА рдФрд░ рд╣реИрд╢ рдЗрдВрдбреЗрдХреНрд╕ рдХреЗ рдмреАрдЪ рдХреНрдпрд╛ рдЕрдВрддрд░ рд╣реИ?

What is the difference between a B-tree and a Hash index in a database ?

[A] Ab-tree index is used to sort data in a table , while a hash index is used to filter data in table .

[B] A B tree index is used for exact match queries and sorts data using a hash function, while a hash index is used for range queries and sorts data in a hierarchical structure .

[C] A B tree index is used for range queries and sorts data in a hierarchical structure , while a hash index is used for exact match queries and sorts data using a hash functions

[D] There is no difference between a B-tree and a hash index .

Correct Answer : A B tree index is used for range queries and sorts data in a hierarchical structure , while a hash index is used for exact match queries and sorts data using a hash functions


Ques 19

Computer Operator-2018

рдХрддрд╛рд░ рд╣реИ

Queue is

[A] Both Linear and Non-Linear data structure

[B] Structural data structure

[C] Non - linear data structure

[D] Linear data structure

Correct Answer : Linear data structure


Ques 20

Computer Operator-2018

рд╕реНрдЯреИрдХ рдПрдХ рд╣реИ

Stack is a

[A] First In Random Out structure

[B] Last In First Out structure

[C] First In First Out structure

[D] Last in Last Out structure

Correct Answer : Last In First Out structure


Ques 21

Computer Operator-2018

рд╕реНрдЯреИрдХ рд╣реИ

Stack is

[A] Static data structure

[B] Dynamic data structure

[C] Inbuilt data structure

[D] None of these

Correct Answer : Dynamic data structure


Ques 22

CCE(P) -2015

рдкреБрдирд░рд╛рд╡рд░реНрддреА рдПрд▓реНрдЧреЛрд░рд┐рдереНрдо рдореЗрдВ рдкреНрд░рдпреБрдХреНрдд рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рд╣реИ

The data structure used in recursive algorithm is

[A] Stack

[B] Queue

[C] Priority Queue

[D] None of the above

Correct Answer : Stack


Ques 23

CCE(P) -2015

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рдПрдХ рдЙрдЪреНрдЪ рд╕реНрддрд░реАрдп рдбреЗрдЯрд╛ рдореЙрдбрд▓ рд╣реИ?

Which one of the following is a high- level data model?

[A] Network model

[B] Hierarchy model

[C] ER model

[D] None of the above

Correct Answer : ER model


Ques 24

CCE(P) -2015

рдПрдХ рд╡реГрддреНрддрд╛рдХрд╛рд░ рд╕реВрдЪреА рдХрд╛ рдЙрдкрдпреЛрдЧ рдирд┐рдореНрди рдХреЛ рджрд░реНрд╢рд╛рдиреЗ рдХреЗ рд▓рд┐рдП рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛ рд╣реИ

A circular list can be used to represent

[A] Stack

[B] Queue

[C] Tree

[D] Both A and B

Correct Answer : Both A and B


Ques 25

EPFO SSA 2023

рдХрд┐рд╕ рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рдХреЛ рдлрд░реНрд╕реНрдЯ рдЗрди рдлрд░реНрд╕реНрдЯ рдЖрдЙрдЯ (FIFO) рдХреЗ рдирд╛рдо рд╕реЗ рднреА рдЬрд╛рдирд╛ рдЬрд╛рддрд╛ рд╣реИ?

Which data structure is also known as First In First Out (FIFO) ?

[A] Stack

[B] Tree

[C] Queue

[D] Array

Correct Answer : Queue


Ques 26

SSC Scientific Assistant CS_IT NOV -2017

рдПрдХ рд╕реНрдЯреИрдХ-рдСрд░реНрдЧрдирд╛рдЗрдЬреНрдб рдХрдВрдкреНрдпреВрдЯрд░ ___рдХреЗ рдирд┐рд░реНрджреЗрд╢ рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд░рддрд╛ рд╣реИред

A Stack-organized Computer uses instruction of____.

[A] Indirect addressing

[B] Two-addressing

[C] Zero addressing

[D] Index addressing

Correct Answer : Zero addressing


Ques 27

SSC Scientific Assistant CS_IT NOV -2017

рдПрдХ рдлреЙрд░реНрдо рдкрд░рд┐рднрд╛рд╖рд┐рдд рдХрд░рддрд╛ рд╣реИ A. рд╕реНрдХреНрд░реАрди рдкрд░ рдбреЗрдЯрд╛ рдХрд╣рд╛рдБ рд░рдЦрд╛ рдЬрд╛рддрд╛ рд╣реИ B. рдкреНрд░рддреНрдпреЗрдХ рдлрд╝реАрд▓реНрдб рдХреА рдЪреМрдбрд╝рд╛рдИ

A form defines A. where data is placed on the screen B. the width of each field

[A] Only A

[B] Only B

[C] Both A and B

[D] None of these

Correct Answer : Both A and B


Ques 28

SSC Scientific Assistant CS_IT NOV -2017

рдбреЗрдЯрд╛ рдЕрдЦрдВрдбрддрд╛ рдХрд╛ рдЕрд░реНрде рд╣реИ

Data integrity means

[A] providing first access to stored data

[B] ensuring correctness and consistency of data

[C] providing data sharing

[D] None of these

Correct Answer : ensuring correctness and consistency of data


Ques 29

SSC Scientific Assistant CS_IT NOV -2017

рдлрд╝рд╛рдЗрд▓ рд╕рд┐рд╕реНрдЯрдо рдХрд╛ рдорд╛рдЙрдВрдЯрд┐рдВрдЧ рдХреНрдпрд╛ рд╣реИ?

What is the mounting of file system?

[A] creating of a filesystem

[B] deleting a filesystem

[C] attaching portion of the file system into a directory structure

[D] removing portion of the file system into a directory structure

Correct Answer : attaching portion of the file system into a directory structure


Ques 30

SSC Scientific Assistant CS_IT NOV -2017

рд╡реЗрдХреНрдЯрд░ рдбреЗрдЯрд╛ рдореЙрдбрд▓ рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХрд┐рд╕ рдкрд░ рдЖрдзрд╛рд░рд┐рдд рд╣реИ? A. рдкрд┐рдХреНрд╕реЗрд▓ рдпрд╛ рдЧреНрд░рд┐рдб рд╕реЗрд▓ред B. рдХрд╛рд░реНрдЯреЗрд╢рд┐рдпрди рдирд┐рд░реНрджреЗрд╢рд╛рдВрдХ рдкреНрд░рдгрд╛рд▓реА C. рд╕реАрдзреА рд░реЗрдЦрд╛рдУрдВ рд╕реЗ рдЬреБрдбрд╝реЗ рдмрд┐рдВрджреБрдУрдВ рдХрд╛ рд╕рдВрдЧреНрд░рд╣ред

The vector data model is based on which of the following? A. Pixels or grid cells. B. Cartesian coordinate system C. Collections of points joined by straight lines.

[A] Only A

[B] Only B

[C] Both A and B

[D] Both B and C

Correct Answer : Both B and C


Ques 31

TAC-2018

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕реА рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рдпрд╛рджреГрдЪреНрдЫрд┐рдХ рдЕрднрд┐рдЧрдо рдХреЗ рд▓рд┐рдП рд╕рдмрд╕реЗ рдЙрдкрдпреБрдХреНрдд рд╣реИ?

Which of the following is data structure best suited for random access?

[A] Array

[B] Linked list

[C] Stack

[D] Queue

Correct Answer : Array


Ques 32

TAC-2018

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕реА рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рдЕрдВрдХрдЧрдгрд┐рддреАрдп рдЕрднрд┐рд╡реНрдпрдХреНрддрд┐ рдХреЗ рдореВрд▓реНрдпрд╛рдВрдХрди рдореЗрдВ рдХреЛрд╖реНрдардХ рдорд┐рд▓рд╛рди рдХреЗ рд▓рд┐рдП рд╕рдмрд╕реЗ рдЙрдкрдпреБрдХреНрдд рд╣реИ?

Which of the following data structure is the best suited to match parenthesis in evaluating an arithmetic expression ?

[A] Linked list

[B] List

[C] Queue

[D] stack

Correct Answer : stack


Ques 33

Tech Assistant -2019

рд╕реНрдЯреИрдХ рдХрд┐рд╕рдХреЗ рд▓рд┐рдП рдЙрдкрдпреЛрдЧреА рд╣реИ?

A stack is useful for

[A] Breadth first search

[B] Recursion

[C] Queue in a ticket counter

[D] Accessing element using index

Correct Answer : Recursion


Ques 34

Tech Assistant -2019

рд╕рдВрдЦреНрдпрд╛ 53 рдХрд╛ рдкрддрд╛ рд▓рдЧрд╛рдиреЗ рдХреЗ рд▓рд┐рдП рдмрд╛рдЗрдирд░реА рд╕рд░реНрдЪ рдЯреНрд░реА рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рдЬрд╛рдВрдЪ рдЕрдиреБрдХреНрд░рдо рд╕рдВрднрд╡ рдирд╣реАрдВ рд╣реИ i. 27,87,37,76,28,53 ii. 12,13,60,50,70,53 iii. 20,75,41,58,47,53 iv. 71,62,24,27,50,53

A binary search tree is used to locate the number 53. Which of the following probe sequences are NOT possible i. 27,87,37,76,28,53 ii. 12,13,60,50,70,53 iii. 20,75,41,58,47,53 iv. 71,62,24,27,50,53

[A] i

[B] i, iii

[C] ii, iv

[D] i, ii

Correct Answer : i, ii


Ques 35

Tech Assistant -2019

рд╕рдВрдЦреНрдпрд╛рдУрдВ рдХреЗ рдЕрдиреБрдХреНрд░рдо рдкрд░ рд╡рд┐рдЪрд╛рд░ рдХрд░реЗрдВ3,2,1,4,5,6,7,16,15,14,13ред AVL рд╡реГрдХреНрд╖ рдореЗрдВ рджреЛрд╣рд░реЗ рдШреВрд░реНрдгрди рдФрд░ рдПрдХрд▓ рдШреВрд░реНрдгрди рдХреА рд╕рдВрдЦреНрдпрд╛ рдХреНрд░рдорд╢рдГ рд╣реИ

Consider the sequence of numbers3,2,1,4,5,6,7,16,15,14,13. The number of double rotations and single rotations in AVL tree respectively are

[A] 0,3

[B] 2,5

[C] 4,4

[D] 2,3

Correct Answer : 2,3


Ques 36

Tech Assistant -2019

рд╕реНрдЯреИрдХ рдХрд╛ рдЙрдкрдпреЛрдЧ рдирд╣реАрдВ рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛

Stacks cannot be used to

[A] Evaluate an arithmetic expression in postfix form

[B] Implement recursion

[C] Convert a given arithmetic expression in infix form to its equivalent postfix form

[D] Allocate CPU resource by operating system

Correct Answer : Allocate CPU resource by operating system


Ques 37

Tech Assistant -2019

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рдХреНрд░рдордЪрдп рд╕реНрдЯреИрдХ рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд░рдХреЗ рдЙрд╕реА рдХреНрд░рдо рдореЗрдВ рдкреНрд░рд╛рдкреНрдд рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛ рд╣реИ рдпрд╣ рдорд╛рдирддреЗ рд╣реБрдП рдХрд┐ рдЗрдирдкреБрдЯ рдЙрд╕реА рдХреНрд░рдо рдореЗрдВ рдЕрдиреБрдХреНрд░рдо 5,6,7,8,9 рд╣реИ i. 7,8,9,6,5 ii. 5,9,6,7,8 iii. 9,8,7,5,6 iv. 7,6,9,8,5

Which of the following permutations can be obtained in the same order using a stack assuming that the input is the sequence 5,6,7,8,9 in that order i. 7,8,9,6,5 ii. 5,9,6,7,8 iii. 9,8,7,5,6 iv. 7,6,9,8,5

[A] i and iv

[B] ii and iii

[C] iii and iv

[D] ii and iv

Correct Answer : i and iv


Ques 38

Technical Assistant-2024

рд╕рд░рдгреА рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рд╕реЗ рд╕рдВрдмрдВрдзрд┐рдд рдЧрд▓рдд рдХрдерди рдХреА рдкрд╣рдЪрд╛рди рдХрд░реЗрдВред

Identify the incorrect statement related to array data structure .

[A] Matrix can be represented as an Array

[B] Collection of similar data element

[C] Array is a linear data structure

[D] Random Access of data is not allowed

Correct Answer : Random Access of data is not allowed


Ques 39

Technical Assistant-2024

рдПрдХ рдмрд╛рдЗрдирд░реА рд╕рд░реНрдЪ рдЯреНрд░реА рдЬрд┐рд╕рдХрд╛ рдмрд╛рдпрд╛рдВ рдЙрдк-рд╡реГрдХреНрд╖ рдФрд░ рджрд╛рдпрд╛рдВ рдЙрдк-рд╡реГрдХреНрд╖ рдЕрдзрд┐рдХрддрдо рдПрдХ рдЗрдХрд╛рдИ рд╕реЗ рдКрдВрдЪрд╛рдИ рдореЗрдВ рднрд┐рдиреНрди рд╣реЛрддрд╛ рд╣реИ, рдХрд╣рд▓рд╛рддрд╛ рд╣реИред

A binary search tree whose left sub-tree and right sub tree differ in height by at most one unit is called .

[A] Complete Binary Tree

[B] ALV Tree

[C] Lemma Tree

[D] Red-Black Tree

Correct Answer : ALV Tree


Ques 40

Technical Assistant-2024

рдбрд┐рдЬреНрдХрд╕реНрдЯреНрд░рд╛ рдХреЗ рдПрд▓реНрдЧреЛрд░рд┐рдереНрдо рдХреЗ рдмрд╛рд░реЗ рдореЗрдВ рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рд╕рддреНрдп рд╣реИ?

Which of the following is true about Dijkstra's Algorithm ?

[A] It is used to filter out malicious data from networks

[B] It is Used for finding the shortest path between nodes in a weighted graph

[C] It is used to resolve deadlocks during resources allocation in operating system

[D] It is implemented in firewall for encryption purpose

Correct Answer : It is Used for finding the shortest path between nodes in a weighted graph


Ques 41

Technical Assistant-2024

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХрд┐рд╕ рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рдХреА рдЦреЛрдЬ рджрдХреНрд╖рддрд╛ рд╕рджреИрд╡ 0(1) рд╣реЛрддреА рд╣реИ?

Which of the following data structure has search efficiency of 0(1) always ?

[A] Tree

[B] Heap

[C] Hash Table

[D] Linked List

Correct Answer : Hash Table


Ques 42

Technical Assistant-2024

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рдЧрд▓рдд рд╣реИ?

Which of the following is incorrect ?

[A] Time Bomb is a malware which gets activated at a pre defined time

[B] Firewall is a network security device which monitor and filter network based on pre defined policies

[C] RSA is a network data storage algorithm

[D] Blowfish is a algorithm used widely for encryption

Correct Answer : RSA is a network data storage algorithm


Ques 43

Technical Assistant-2024

рдиреАрдЪреЗ рджрд┐рдП рдЧрдП рд╕рд╣реА рдХрдерди рдХреА рдкрд╣рдЪрд╛рди рдХрд░реЗрдВ

Identify the correct statement given below

[A] Graph is a primitive data structure

[B] Graph is a non-linear data structure

[C] Data part of a node in a singly list can only have integer value

[D] Stack is a Non-linear data structure

Correct Answer : Graph is a non-linear data structure


Ques 44

Technical Assistant-2024

рдирд┐рдореНрди рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рд╕рд╣реА рд╣реИ?

Which of the following is correct?

[A] A tree is a connected graph

[B] A tree may contain cycle

[C] In a tree, there are multiple paths from one node to another

[D] A tree with n nodes can have n*n edges

Correct Answer : A tree is a connected graph


Ques 45

Technical Assistant-2024

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рджреЛ рдХрдердиреЛрдВ рдкрд░ рд╡рд┐рдЪрд╛рд░ рдХрд░реЗрдВред рдХрдерди-1: рдПрдХ рд╣реИрд╢ рдлрд╝рдВрдХреНрд╢рди рдЕрд▓рдЧ-рдЕрд▓рдЧ рд╕рдВрджреЗрд╢реЛрдВ рдХреЗ рд▓рд┐рдП рд╕рдорд╛рди рд╣реИрд╢ рдорд╛рди рджреЗ рд╕рдХрддрд╛ рд╣реИред рдХрдерди-2: рдПрдХ рд╣реИрд╢ рдлрд╝рдВрдХреНрд╢рди рдордирдорд╛рдиреЗ рд▓рдВрдмрд╛рдИ рдХрд╛ рд╕рдВрджреЗрд╢ рд▓реЗрддрд╛ рд╣реИ рдФрд░ рдПрдХ рдирд┐рд╢реНрдЪрд┐рдд рд▓рдВрдмрд╛рдИ рдХрд╛ рдХреЛрдб рдмрдирд╛рддрд╛ рд╣реИред рдирд┐рдореНрди рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рд╡рд┐рдХрд▓реНрдк рд╕рд╣реА рд╣реИ?

Considered the following Two statement . Consider the following two Statements.. Statement-1: A hash function may give the same hash value for distinct messages. Statement-2 : A hash function takes a message of arbitrary length and generates a fixed length code. Which of the following option is CORRECT?

[A] Both statement 1 and statement 2 are true

[B] Both statement 1 and statement 2 are false

[C] Statement 1 is true but statement 2 is false

[D] Statement 1 is false but statement 2 is true

Correct Answer : Both statement 1 and statement 2 are true


Ques 46

Technical Assistant-2024

рдкреБрдирд░рд╛рд╡рд░реНрддрди рдХреЛ рдХрд╛рд░реНрдпрд╛рдиреНрд╡рд┐рдд рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдП рд╕рдмрд╕реЗ рдЙрдкрдпреБрдХреНрдд рдбреЗрдЯрд╛ рд╕рдВрд░рдЪрдирд╛ рд╣реИ

Most appropriate data structures for implementing recursion produces is

[A] Queue

[B] Tree

[C] Stack

[D] Linked list

Correct Answer : Stack


Ques 47

JOA-IT-2019

рдЬрдм рдЖрдк рдХрд┐рд╕реА рд╡рд┐рд╖рдп рдХреЛ рдЦреЛрдЬрдиреЗ рдХреЗ рд▓рд┐рдП _________ рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд░рддреЗ рд╣реИрдВ рддреЛ рдЖрдкрдХреЗ рджреНрд╡рд╛рд░рд╛ рдЦреЛрдЬреА рдЧрдИ рдЬрд╛рдирдХрд╛рд░реА рдбреЗрдЯрд╛рдмреЗрд╕ рдЬреИрд╕реА рд╕рдВрд░рдЪрдирд╛ рдореЗрдВ рд╡реНрдпрд╡рд╕реНрдерд┐рдд рд╣реЛ рдЬрд╛рддреА рд╣реИред

When you use a _________to search for a topic the information you search through is organized into a database -like structure .

[A] Search engine

[B] Index

[C] Spider

[D] Applet

Correct Answer : Search engine


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