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CHAPTER 1 : Data representation
1.1 Number systems - PART 1

Correction of HOMEWORK on BINARY CONVERSION - Activity 1.1  -  For ANSWERS  see PDF document attached above.

REVISION - VIDEO TUTORIALS

-- CONVERT DECIMAL TO BINARY - Division Method
How to convert a decimal number to binary using the Division Method

Video Tutorial :

https://youtu.be/eigvIOl750w

-- CONVERT DECIMAL TO BINARY -  Subtraction Method

How to convert a decimal number to binary using the Subtraction Method

Video Tutorial :
https://youtu.be/OXj_-dyKsGI

HOMEWORK :

TAKE NOTES  from Video tutorials in your COPYBOOK

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Classwork - Binary conversion - ANSWERS_updated

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CHAPTER 1 - NUMBER SYSTEMS -ACTIVITIES 1.8 TO 1.14

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03/02/2023- Lesson 1.1.2 - Denary to Binary Conversion (Revision Notes)

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03/02/2023- Lesson 1.1.2 - Denary to Binary Conversion (Revision Notes)

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CHAPTER 1 : Data representation
1.1 Number systems - PART 2

RECAP

-- EXPLANATION 1 : CONVERT DECIMAL to BINARY -  RECAP
How to convert a decimal number to binary using the Division Method
Video Tutorial :

https://youtu.be/eigvIOl750w

-- EXPLANATION 2 : CONVERT DECIMAL TO BINARY - RECAP
How to convert a decimal number to binary using the Subtraction Method
Video Tutorial :
https://youtu.be/OXj_-dyKsGI

HOMEWORK :

TASK 1 : To READ notes given in PDF document attached below entitled: Number System -  Denary conversion.pdf

TASK 2 : To READ Page 4 to 6 in your BOOK.

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CHAPTER 1 : Data representation
1.1 Number systems - PART 4

CONVERT  DECIMAL TO BINARY

Task 1: Correction of CLASSWORK in your COPY BOOK on DECIMAL CONVERSION - Activity 1.2

-- EXPLANATION 1 :
CONVERT  DECIMAL TO HEXADECIMAL
How to convert a decimal number to hexadecimal using the Division Method
Video Tutorial 1 :

https://youtu.be/b18BR8eJ-8U

-- EXPLANATION 2 :
CONVERT  HEXADECIMAL  TO DECIMAL
How to convert a number from Hexadecimal to Decimal
Video Tutorial  2 :
https://youtu.be/HVUuJhK4rf4

TASK 1:
Review Video Tutorial 1  and  Video Tutorial 2  and TAKE NOTES  in your COPYBOOK

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Decimal conversion - Activity 1.2_Answers

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Please do the activities 1.4 TO 1.7 for Monday - see attached PDF.

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03/02/2023 - Lesson 1.1.2 - Denary to Binary Conversion - (Activities)

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03/02/2023 - Lesson 1.1.2 - Denary to Binary Conversion - (Activities)

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CHAPTER 1 : Data representation
1.1 Number systems - PART 3

CONVERT  DECIMAL TO BINARY

- CLASSWORK-

Task 1:  To do ACTIVITY 1.2  in your COPY BOOK on DECIMAL CONVERSION - Activity 1.2  see PDF attached .

An example has been done for you. You can also refer to notes and video tutorials given.

NOTE:
Correction will be done during next FACE -to- FACE class and your copy book will be verified.

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CAMBRIDGE O LEVEL - COMPUTER SCIENCE 2210
YEAR 2023 - 2025