NCERT Class 11 Computer Science Encoding Schemes and Number System

Computer Science
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Read and download NCERT Class 11 Computer Science Encoding Schemes and Number System in NCERT book for Class 11 Computer Science. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Computer Science textbook for Class 11 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 11 Computer Science to understand the answers of the exercise questions given at the end of this chapter

NCERT Book for Class 11 Computer Science Chapter 2 Encoding Schemes and Number System

Class 11 Computer Science students should refer to the following NCERT Book Chapter 2 Encoding Schemes and Number System in Class 11. This NCERT Book for Class 11 Computer Science will be very useful for exams and help you to score good marks

Chapter 2 Encoding Schemes and Number System NCERT Book Class 11

2.1 Introduction
Have you ever thought how the keys on the computer keyboard that are in human recognisable form are interpreted by the computer system? This section briefly discusses text interpretation by the computer.
We have learnt in the previous chapter that computer understands only binary language of 0s and 1s. Therefore, when a key on the keyboard is pressed, it is internally mapped to a unique code, which is further converted to binary.
Example 2.1 When the key ‘A’ is pressed (Figure 2.1), it is internally mapped to a decimal value 65 (code value), which is then converted to its equivalent binary value for the computer to understand.
 
NCERT Class 11 Computer Science Encoding Schemes and Number System
 
 
Similarly, when we press alphabet ‘अ’ on hindi keyboard, internally it is mapped to a hexadecimal value 0905, whose binary equivalent is 0000100100000101.
So what is encoding? The mechanism of converting data into an equivalent cipher using specific code is called encoding. It is important to understand why code value 65 is used for the key “A” and not any other value? Is it same for all the keyboards irrespective of their make?Yes, it is same for all the keyboards. This has been possible because of standard encoding schemes where each letter, numeral and symbol is encoded or assigned a unique code. Some of the well-known encoding schemes are described in the following sections.
 
2.1.1 American Standard Code for Information Interchange (ASCII)
In the early 1960s, computers had no way of communicating with each other due to different ways of representing keys of the keyboard. Hence, the need for a common standard was realised to overcome this shortcoming. Thus, encoding scheme ASCII was developed for standardising the character representation. ASCII is still the most commonly used coding scheme.
Initially ASCII used 7 bits to represent characters. Recall that there are only 2 binary digits (0 or 1). Therefore, total number of different characters on the English keyboard that can be encoded by 7-bit ASCII code is 27 = 128. Table 2.1 shows some printable characters for ASCII code. But ASCII is able to encode character set of English language only.
 
 
 
NCERT Class 11 Computer Science Encoding Schemes and Number System1
 
 



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Chapter 01 Computer System
NCERT Class 11 Computer Science Computer System
Chapter 02 Encoding Schemes and Number System
NCERT Class 11 Computer Science Encoding Schemes and Number System
Chapter 03 Emerging Trends
NCERT Class 11 Computer Science Emerging Trends
Chapter 04 Introduction To Problem Solving
NCERT Class 11 Computer Science Introduction To Problem Solving
Chapter 05 Getting Started with Python
NCERT Class 11 Computer Science Getting Started with Python
Chapter 06 Flow of Control
NCERT Class 11 Computer Science Flow of Control
Chapter 07 Functions
NCERT Class 11 Computer Science Functions
Chapter 08 Strings
NCERT Class 11 Computer Science Strings
Chapter 09 Lists
NCERT Class 11 Computer Science Lists
Chapter 10 Tuples and Dictionaries
NCERT Class 11 Computer Science Tuples and Dictionaries
Chapter 11 Societal Impact
NCERT Class 11 Computer Science Societal Impact
Computers and Communication Technology Chapter 01 Experiencing The World Of CCT
NCERT Class 11 Computers and Communication Technology Experiencing The World Of CCT
Computers and Communication Technology Chapter 02 Components Of CCT
NCERT Class 11 Computers and Communication Technology Components Of CCT
Computers and Communication Technology Chapter 03 Word Processing Tool
NCERT Class 11 Computers and Communication Technology Word Processing Tool
Computers and Communication Technology Chapter 04 Electronic Spreadsheet
NCERT Class 11 Computers and Communication Technology Electronic Spreadsheet
Computers and Communication Technology Chapter 05 Electronic Presentation Tool
NCERT Class 11 Computers and Communication Technology Electronic Presentation Tool
Computers and Communication Technology Chapter 07 The Internet
NCERT Class 11 Computers and Communication Technology The Internet
Computers and Communication Technology Chapter 08 Softs Skills For Effective Communication
NCERT Class 11 Computers and Communication Technology Softs Skills For Effective Communication
Computers and Communication Technology Chapter 09 Web Page Designing Using HTML
NCERT Class 11 Computers and Communication Technology Web Page Designing Using HTML
Computers and Communication Technology Chapter 10 Client-Side Scripting Using JavaScript
NCERT Class 11 Computers and Communication Technology Client Side Scripting Using JavaScript
Computers and Communication Technology Chapter 11 Project Based Learning
NCERT Class 11 Computers and Communication Technology Project Based Learning
Computers and Communication Technology Chapter 12 CCT Projects in Local Context
NCERT Class 11 Computers and Communication Technology CCT Projects in Local Context
Computers and Communication Technology Chapter 13 Emerging Trends in CCT
NCERT Class 11 Computers and Communication Technology Emerging Trends in CCT
Computers and Communication Technology Chapter 14 Computer Controlled Devices
NCERT Class 11 Computers and Communication Technology Computer Controlled Devices
Other Chapters
NCERT Class 11 Computer Science Algorithms and Flowcharts
NCERT Class 11 Computer Science Computer Fundamentals
NCERT Class 11 Computer Science Conditional and Looping Construct
NCERT Class 11 Computer Science Data Representation in Computers
NCERT Class 11 Computer Science Dictionaries
NCERT Class 11 Computer Science Microprocessors and Memory Concepts
NCERT Class 11 Computer Science Programming Methodology
NCERT Class 11 Computer Science Software Concepts
NCERT Class 11 Computer Science Tuples
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NCERT Class 11 Computer Science Books
NCERT Class 11 Computer Science
Class 11 Computer Science
CBSE Class 11 Computer Science
Computer Science Class 11 Books
CBSE Class 11 Computer Science Books
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Computer Science NCERT Book Class 11 Chapter 2 Encoding Schemes and Number System

The above NCERT Books for Class 11 Computer Science Chapter 2 Encoding Schemes and Number System have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 2 Encoding Schemes and Number System Computer Science Class 11 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 2 Encoding Schemes and Number System NCERT etextbooks as the exams for Class 11 Computer Science are always asked as per the syllabus defined in these ebooks. These Class 11 Chapter 2 Encoding Schemes and Number System book for Computer Science also includes collection of question. We have also provided NCERT solutions for Class 11 Computer Science which have been developed by teachers of StudiesToday.com after thorough review of the latest book and based on pattern of questions in upcoming exams for Class 11 students.

NCERT Book Class 11 Computer Science Chapter 2 Encoding Schemes and Number System

The latest NCERT book for Chapter 2 Encoding Schemes and Number System pdf have been published by NCERT based on the latest research done for each topic which has to be taught to students in all classes. The books for Class 11 Computer Science Chapter 2 Encoding Schemes and Number System are designed to enhance the overall understanding of students. All Class 11 NCERT textbooks have been written in an easy to understand language which will help to enhance the overall level of Class 11 students. 

Chapter 2 Encoding Schemes and Number System NCERT Book Class 11 Computer Science

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Class 11 Computer Science Chapter 2 Encoding Schemes and Number System NCERT Book

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Class 11 Chapter 2 Encoding Schemes and Number System NCERT Book Computer Science

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