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Welcome to the Data Types and Abstraction MCQs Page

Dive deep into the fascinating world of Data Types and Abstraction with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Types and Abstraction, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Types and Abstraction, 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 Data Types and Abstraction. 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 Data Types and Abstraction. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Types and Abstraction MCQs | Page 2 of 4

Explore more Topics under Data Structures and Algorithms

Q11.
Each data item in a record may be a group item composed of sub-items; those items which are indecomposable are called

a.

elementary items

b.

atoms

c.

scalars

d.

all of above

Discuss
Answer: (d).all of above
Q12.
The difference between linear array and a record is

a.

An array is suitable for homogeneous data but hte data items in a record may have different data type

b.

In a record, there may not be a natural ordering in opposed to linear array

c.

A record form a hierarchical structure but a lienear array does not

d.

All of above

Discuss
Answer: (d).All of above
Q13.
Type data abstraction which allows conceptual representation of data in database management system is considered as

a.

logical design model

b.

data model

c.

interface model

d.

user friendly model

Discuss
Answer: (b).data model
Q14.
Considering abstraction concepts, process of assigning similar entities to similar entity types systematically is called

a.

classification

b.

instantiation

c.

identification

d.

exception abstract

Discuss
Answer: (a).classification
Q15.
Identification, aggregation and instantiation are abstraction concepts used in

a.

intension and extension models

b.

classes and nodes models

c.

concrete models

d.

semantic data models

Discuss
Answer: (d).semantic data models
Q16.
Which if the following is/are the levels of implementation of data structure

a.

Abstract level

b.

Application level

c.

Implementation level

d.

All of the above

Discuss
Answer: (d).All of the above
Q17.
Process of abstraction in which objects and classes are identified with some kind of identifier is classified as

a.

classification

b.

instantiation

c.

identification

d.

exception abstract

Discuss
Answer: (c).identification
Q18.
The format identifier ‘%i’ is also used for _____ data type?

a.

char

b.

int

c.

float

d.

double

Discuss
Answer: (b).int
Q19.
Which data type is most suitable for storing a number 65000 in a 32-bit system?

a.

short

b.

int

c.

long

d.

double

Discuss
Answer: (a).short
Q20.
Which of the following is a User-defined data type?

a.

typedef int Boolean;

b.

typedef enum {Mon, Tue, Wed, Thu, Fri} Workdays;

c.

struct {char name[10], int age};

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Page 2 of 4

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