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Chapters
▶ 2: Data Abstraction
3: Scoping
4: Algorithmic Strategies
5: Python - Variables and Operators
6: Control Structures
7: Python functions
8: Strings and String manipulation
9: Lists, Tuples, Sets and Dictionary
10: Python Classes and objects
11: Database Concepts
12: Structured Query Language (SQL)
13: Python and CSV files
14: Importing C++ programs in Python
15: Data manipulation through SQL
16: Data visualization using pyplot: line chart, pie chart and bar chart
![Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 2 - Data Abstraction - Shaalaa.com](/images/computer-science-english-class-12-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 2 - Data Abstraction")
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Solutions for Chapter 2: Data Abstraction
Below listed, you can find solutions for Chapter 2 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Computer Science [English] Class 12 TN Board.
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board 2 Data Abstraction Evaluation [Pages 18 - 20]
Part I - Choose the best answer (1 Mark)
Which of the following functions build the abstract data type?
Constructors
Destructors
recursive
Nested
Which of the following functions retrieve information from the data type?
Constructors
Selectors
recursive
Nested
The data structure which is a mutable ordered sequence of elements is called ______
Built-in
List
Tuple
Derived data
A sequence of immutable objects is called ______
Built-in
List
Tuple
Derived data
The data type whose representation is known is called ______
Built-in datatype
Derived datatype
Concrete datatype
Abstract datatype
The data type whose representation is unknown are called ______
Built-in datatype
Derived datatype
Concrete datatype
Abstract datatype
Which of the following is a compound structure?
Pair
Triplet
single
quadrat
Bundling two values together into one can be considered as ______
Pair
Triplet
single
quadrat
Which of the following allows to name the various parts of a multi-item object?
Tuples
Lists
Classes
quadrats
Which of the following is constructed by placing expressions within square brackets?
Tuples
Lists
Classes
quadrats
Part II - Answer the following questions (2 Marks)
What is abstract data type?
Differentiate constructors and selectors.
What is a Pair? Give an example.
What is a List? Give an example.
What is a Tuple? Give an example.
Part III - Answer the following questions (3 Marks)
Differentiate Concrete data type and abstract datatype.
Which strategy is used for program designing? Define that Strategy?
Identify Which of the following are constructors and selectors?
N1 = number()
Identify Which of the following are constructors and selectors?
accetnum(n1)
Identify Which of the following are constructors and selectors?
displaynum (n1)
Identify Which of the following are constructors and selectors?
eval(a/b)
Identify Which of the following are constructors and selectors?
x, y = makeslope (m), makeslope(n)
Identify Which of the following are constructors and selectors?
display()
What are the different ways to access the elements of a list? Give example.
Identify Which of the following is List, Tuple, and class?
arr [1, 2, 34]
Identify Which of the following is List, Tuple, and class?
arr (1, 2, 34)
Identify Which of the following is List, Tuple, and class?
student [rno, name, mark]
Identify Which of the following is List, Tuple, and class?
day = (‘sun’, ‘mon’, ‘Tue, ‘wed’)
Identify Which of the following is List, Tuple, and class?
x = [2, 5, 6.5, [5, 6], 8.2]
Identify Which of the following is List, Tuple, and class?
employee [eno, ename, esal, eaddress]
Part - IV - Answer the following questions (5 Marks)
How will you facilitate data abstraction? Explain it with a suitable example?
What is a List? Why List can be called as Pairs. Explain with a suitable example?
How will you access the multi-item? Explain with example.
Solutions for 2: Data Abstraction
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 2 - Data Abstraction
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Concepts covered in Computer Science [English] Class 12 TN Board chapter 2 Data Abstraction are Introduction to Data Abstraction, Abstract Data Types, Constructors and Selectors, Representation of Abstract Datatype Using Rational Numbers, Lists, Tuples, Data Abstraction in Structure.
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