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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 3 - Scoping - 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 3 - Scoping")
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Solutions for Chapter 3: Scoping
Below listed, you can find solutions for Chapter 3 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 3 Scoping Evaluation [Pages 28 - 30]
Part I - Choose the best answer (1 Mark)
Which of the following refers to the visibility of variables in one part of a program to another part of the same program.
Scope
Memory
Address
Accessibility
The process of binding a variable name with an object is called ______
Scope
Mapping
late binding
early binding
Which of the following is used in programming languages to map the variable and object?
::
:=
=
==
Containers for mapping names of variables to objects are called ______
Scope
Mapping
Binding
Namespaces
Which scope refers to variables defined in current function?
Local Scope
Global scope
Module scope
Function Scope
The process of subdividing a computer program into separate sub-programs is called ______
Procedural Programming
Modular programming
Event-Driven Programming
Object-oriented Programming
Which of the following security technique that regulates who can use resources in a computing environment?
Password
Authentication
Access control
Certification
Which of the following members of a class can be handled only from within the class?
Public members
Protected members
Secured members
Private members
Which members are accessible from outside the class?
Public members
Protected members
Secured members
Private members
The members that are accessible from within the class and are also available to its subclasses is called ______
Public members
Protected members
Secured members
Private members
Part II - Answer the following questions (2 Marks)
What is a scope?
Why scope should be used for variable. State the reason.
What is Mapping?
What do you mean by Namespaces?
How Python represents the private and protected Access specifiers?
Part III - Answer the following questions (3 Marks)
Define Local scope with an example.
Define Global scope with an example.
Define the Enclosed scope with an example.
Why access control is required?
Identify the scope of the variables in the following pseudo-code and write its output
color:= Red
mycolor():
b:=Blue
myfavcolor():
g:=Green
printcolor, b, g
myfavcolor()
printcolor, b
mycolor()
print color
Part IV - Answer the following questions (5 Marks)
Explain the types of scopes for variable or LEGB rule with example.
Write any Five Characteristics of Modules.
Write any five benefits of using modular programming.
Solutions for 3: Scoping
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 3 - Scoping
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Concepts covered in Computer Science [English] Class 12 TN Board chapter 3 Scoping are Introduction to Scoping, Variable Scope, LEGB Rule, Types of Variable Scope, Module.
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