Podcast
Questions and Answers
Which of the following best describes the primary focus of the Computer Science curriculum at the higher secondary stage, as outlined in the preface?
Which of the following best describes the primary focus of the Computer Science curriculum at the higher secondary stage, as outlined in the preface?
- Memorizing different computer science facts and terminologies.
- Preparing students for careers outside of software development.
- Fostering computational thinking and problem-solving skills. (correct)
- Proficiency in using word processing and presentation tools.
Why is the higher secondary stage of education considered both crucial and challenging in the context of the computer science curriculum?
Why is the higher secondary stage of education considered both crucial and challenging in the context of the computer science curriculum?
- Because students must learn complex programming languages like Python.
- Because students directly enter the workforce after this stage.
- Because there needs to be high degree of competition among students.
- Because it involves a transition from general to discipline-based curriculum. (correct)
Which area is NOT mentioned as one where computers have made continuous inroads?
Which area is NOT mentioned as one where computers have made continuous inroads?
- Transportation
- Science
- Culinary arts (correct)
- Commerce
What is the best characterization of Unicode's purpose, as mentioned in the text?
What is the best characterization of Unicode's purpose, as mentioned in the text?
The preface mentions different courses with different names like Computer Science, Information and Communication Technology (ICT) and Information Technology(IT). What do these courses mainly focus on?
The preface mentions different courses with different names like Computer Science, Information and Communication Technology (ICT) and Information Technology(IT). What do these courses mainly focus on?
According to the foreword, what impact have computer-based applications had on our lives?
According to the foreword, what impact have computer-based applications had on our lives?
Which of the following is NOT one of the broader themes covered in the computer science book mentioned in the preface?
Which of the following is NOT one of the broader themes covered in the computer science book mentioned in the preface?
What specific programming language is introduced in the book for hands-on learning and solving problems?
What specific programming language is introduced in the book for hands-on learning and solving problems?
Why does the preface emphasize solving the programming examples and exercises on a computer?
Why does the preface emphasize solving the programming examples and exercises on a computer?
As highlighted in the foreword, what is the role of computer science in today's world?
As highlighted in the foreword, what is the role of computer science in today's world?
What does the book aim to balance in its approach to the computer science syllabus?
What does the book aim to balance in its approach to the computer science syllabus?
According to the textbook development committee information, what is the affiliation of Om Vikas?
According to the textbook development committee information, what is the affiliation of Om Vikas?
According to the textbook development committee, which designation is assigned to Rejaul Karim Barbhuiya?
According to the textbook development committee, which designation is assigned to Rejaul Karim Barbhuiya?
What specific element is used to promote problem-finding and problem-solving skills?
What specific element is used to promote problem-finding and problem-solving skills?
What is the purpose of box items (light green background) that are pinned inside the chapters?
What is the purpose of box items (light green background) that are pinned inside the chapters?
According to the preface, what should students do with the programming examples and the exercises?
According to the preface, what should students do with the programming examples and the exercises?
Which of the following is NOT a societal impact area covered in the computer science book?
Which of the following is NOT a societal impact area covered in the computer science book?
The foreword mentions a paradigm shift in teaching learning at the school level due to what?
The foreword mentions a paradigm shift in teaching learning at the school level due to what?
According to the foreword, what skills are considered fundamental building blocks for knowledge acquisition at the higher level?
According to the foreword, what skills are considered fundamental building blocks for knowledge acquisition at the higher level?
The preface mentions several chapters have additional components for self-assessment. Which components are these?
The preface mentions several chapters have additional components for self-assessment. Which components are these?
Flashcards
Computer Science
Computer Science
A discipline that has evolved over the years and made continuous inroads into business, commerce, science, technology, and more.
Application software
Application software
Using computers for standard office tasks.
Problem Solving
Problem Solving
Focuses on logical representation, reasoning, and analysis.
Fundamentals of Computing
Fundamentals of Computing
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Problem-Solving Process
Problem-Solving Process
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Societal Impact
Societal Impact
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Python Programming
Python Programming
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Group Projects
Group Projects
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Box Items
Box Items
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Unicode Encoding
Unicode Encoding
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Study Notes
- Computer Science textbook is for Class XI
- The first edition was published in May 2019 (Vaishakha 1941)
- It has been reprinted multiple times with the latest reprint in March 2024 (Chaitra 1946)
- ISBN: 978-93-5292-117-1
- No part of the publication can be reproduced without permission from the publisher
- The book cannot be resold or disposed of without the publisher's consent
- The price printed on the page is the correct price
- PD 30T SU
- Published by the National Council of Educational Research and Training (NCERT) in 2019
- The book is priced at ₹290.00
- It is printed on 80 GSM paper
- The Publication Division of NCERT published the book
- It was printed at Chaar Dishayen Printers (P) Ltd., Noida
- Anup Kumar Rajput is the Head of Publication Division
- Shveta Uppal is the Chief Editor
- Arun Chitkara is the Chief Production Officer
- Amitabh Kumar is the Chief Business Manager (In charge)
- Om Prakash is the Assistant Production Officer
- The Foreword discusses the evolution of computer science
- Computer science has become a driving force for socio-economic activities
- Computer science has impacted business, commerce, science, technology, sports, health, transportation, and education
- The role of computer science is in focus due to demands from school graduates in the 21st century
- Computer-based applications significantly influence learning, communication, and socialization
- There's an increasing demand for software engineers
- Startups are delivering services through software applications
- This has increased interest in computer science from students and parents
- Logical thinking, reasoning, and problem-solving skills are crucial for knowledge acquisition
- Computers play a key role in problem-solving, emphasizing logical representation, reasoning, and analysis
- The book focuses on fundamental concepts and problem-solving skills
- It introduces emerging areas of computer science
- The new syllabus aims to reduce curricular load and introduce this evolving discipline
- NCERT welcomes feedback to revise the textbook content
- Hrushikesh Senapaty, Director of the National Council of Educational Research and Training
- The Preface discusses the introduction of specialized courses at the higher secondary level
- This stage is crucial due to the transition to a discipline-based curriculum
- The syllabus should be rigorous but mindful of comprehension levels
- The textbook should not be heavily loaded
- Computer science has permeated every facet of life
- Basic computer science concepts are desirable in education
- Courses like Computer Science, ICT, and IT are optional up to the secondary stage
- These courses focus on word processing, presentation tools, and application software
- Computer Science (CS) is offered as an optional subject at the higher secondary level
- Students at this stage often aim for careers in software development
- The CS curriculum introduces basics of computing and conceptual background
- The primary focus is on computational thinking and problem-solving skills
- The book has 11 chapters covering fundamentals, problem-solving, programming, and societal impact
- Fundamentals include: computer systems, hardware, software, data representation, number systems
- Fundamentals also includes encoding, and emerging trends in computer science
- Problem-solving covers problem analysis, algorithms, flowcharts, implementation, testing, and maintenance
- Programming covers basic Python constructs, program structure, identifiers, variables, flow of control, data types, and functions
- Societal impact includes: digital footprints, data privacy, cyber crime, ethics, values and health concerns
- Chapters 1, 2, 3, 4, and 11 have activities and reflection for self-assessment
- Python programming language is introduced in an easy-to-learn manner in interactive and script mode
- Hands-on examples explain how to solve different types of problems across Chapters 5 to 10
- Programming examples and exercises should be solved and verified on a computer
- Group projects with case studies are proposed to solve complex problems
- Peer assessment of projects promotes peer-learning, team spirit, and responsiveness
- Exercises are in case-study format to promote problem-solving
- Box items with light green backgrounds explain concepts or provide information
- Box items will not be assessed through examinations
- Unicode encoding scheme for Indic scripts has been introduced
- This will motivate students to solve problems in public services and the local micro or small businesses in India
- Chapters were written by involving practicing teachers and subject matter experts
- Iteratively peer-reviewed
- Appreciation for Professor Om Vikas for guidance and motivation
- Comments and suggestions are welcomed
- Rejaul Karim Barbhuiya, Assistant Professor at the Department of Education in Science and Mathematics, NCERT
- Textbook Development Committee:
- Chief Advisor: Om Vikas
- Members: Anuradha Khattar, Ashish Dhalwankar, Chetna Khanna, Harita Ahuja, Mudasir Wani, Pratiksha Majumdar, Priti Rai Jain, Rinku Kumari, Sajid Yousuf Bhat, Sarnavi Mahesh, Sharanjit Kaur, Sonali Gogate, Tapasi Ray, Vandana Tyagi
- Member-Coordinator: Rejaul Karim Barbhuiya
- Acknowledgements to individuals and organizations involved in the development of the textbook
- Gratitude to the syllabus development team: MPS Bhatia, T. V. Vijay Kumar, Zahid Raza, Vipul Shah, Aasim Zafar, Faisal Anwer, Smruti Ranjan Sarangi, Vikram Goyal, Tabrez Nafis, Mamur Ali
- Thanks to resource people for refining: Mukesh Kumar, Gurpreet Kaur, Gautam Sarkar, Aswin K. Dash, Nancy Sehgal, Ashish Kumar Srivastava, Neelima Gupta, Anamika Gupta
- Acknowledgement of contributions from Anuja Krishn, freelance editor, for language editing
- Grateful acknowledgement for Meetu Sharma, Kanika Walecha, Pooja
- Acknowledgement of Shilpa Mohan
- Acknowledgement of Sadiq Saeed and Sachin Tanwar
- Chapter 1: Computer System
- 1.1 Introduction to Computer System
- 1.2 Evolution of Computer
- 1.3 Computer Memory
- 1.4 Data Transfer between Memory and CPU
- 1.5 Microprocessors
- 1.6 Data and Information
- 1.7 Software
- 1.8 Operating System
- Chapter 2: Encoding Schemes and Number System
- 2.1 Introduction
- 2.2 Number System
- 2.3 Conversion between Number Systems
- Chapter 3: Emerging Trends
- 3.1 Introduction
- 3.2 Artificial Intelligence (AI)
- 3.3 Big Data
- 3.4 Internet of Things (IoT)
- 3.5 Cloud Computing
- 3.6 Grid Computing
- 3.7 Blockchains
- Chapter 4: Introduction to Problem Solving
- 4.1 Introduction
- 4.2 Steps for Problem Solving
- 4.3 Algorithm
- 4.4 Representation of Algorithms
- 4.5 Flow of Control
- 4.6 Verifying Algorithms
- 4.7 Comparison of Algorithm
- 4.8 Coding
- 4.9 Decomposition
- Chapter 5: Getting Started with Python
- 5.1 Introduction to Python
- 5.2 Python Keywords
- 5.3 Identifiers
- 5.4 Variables
- 5.5 Comments
- 5.6 Everything is an Object
- 5.7 Data Types
- 5.8 Operators
- 5.9 Expressions
- 5.10 Statement
- 5.11 Input and Output
- 5.12 Type Conversion
- 5.13 Debugging
- Chapter 6: Flow of Control
- 6.1 Introduction
- 6.2 Selection
- 6.3 Indentation
- 6.4 Repetition
- 6.5 Break and Continue Statement
- 6.6 Nested Loops
- Chapter 7: Functions
- 7.1 Introduction
- 7.2 Functions
- 7.3 User Defined Functions
- 7.4 Scope of a Variable
- 7.5 Python Standard Library
- Chapter 8: Strings
- 8.1 Introduction
- 8.2 Strings
- 8.3 String Operations
- 8.4 Traversing a String
- 8.5 String Methods and Built-in Functions
- 8.6 Handling Strings
- Chapter 9: Lists
- 9.1 Introduction to List
- 9.2 List Operations
- 9.3 Traversing a List
- 9.4 List Methods and Built-in Functions
- 9.5 Nested Lists
- 9.6 Copying Lists
- 9.7 List as Arguments to Function
- 9.8 List Manipulation
- Chapter 10: Tuples and Dictionaries
- 10.1 Introduction to Tuples
- 10.2 Tuple Operations
- 10.3 Tuple Methods and Built-in Functions
- 10.4 Tuple Assignment
- 10.5 Nested Tuples
- 10.6 Tuple Handling
- 10.7 Introduction to Dictionaries
- 10.8 Dictionaries are Mutable
- 10.9 Dictionary Operations
- 10.10 Traversing a Dictionary
- 10.11 Dictionary Methods and Built-in functions
- 10.12 Manipulating Dictionaries
- Chapter 11: Societal Impact
- 11.1 Introduction
- 11.2 Digital Footprints
- 11.3 Digital Society and Netizen
- 11.4 Data Protection
- 11.5 Cyber Crime
- 11.6 Indian Information Technology Act (IT Act)
- 11.7 Impact on Health
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