Chapter 3 Data Representation

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Presentation transcript:

Chapter 3 Data Representation

Starter Test marks and results

Number bases Task 1 decimal digits: 745 25 2657 10 Task 2: Create the powers of 10 for: 60 600 60,000

G:\ICT\Miss Elliott\Year 10 2016-2018\Chapter 3 - Data Representation\worksheet1-decimal tables

Starter – convert decimal digits 5   8  3 2 x X 1000 100 10 1 5000  +  800 30  2 = 5 832 7 5    3 8 7  x X 10,000 1000 100 10 1  70000 +  5000 300  80 =75,387 8 9   5 1 x X 1000 100 10 8000  + 900  50 1  = 8951 Extension: What base is assigned to binary, decimal and hexadecimal? Base 2 – binary base 10 – decimal base 16 - hexadecimal 4 3    2 1 x X 1000 100 10  4000 + 300  20 1  = 4321

Binary https://www.youtube.com/watch?v=wF4wzQNB_G8&feature=youtu.be https://www.khanacademy.org/math/algebra-home/alg-intro-to-algebra/algebra-alternate-number-bases/v/number-systems-introduction

Hexadecimal

Hexadecimal https://www.khanacademy.org/math/algebra-home/alg-intro-to-algebra/algebra-alternate-number-bases/v/hexadecimal-number-system G:\ICT\Miss Elliott\Year 10 2016-2018\Chapter 3 - Data Representation\worksheet 2 – hexadecimal digits

Starter 2: Questions G:\ICT\Miss Elliott\Year 10 2016-2018\Chapter 3 - Data Representation\worksheet 3-Questions template 1

Converting READ and LEARN

What is a nibble? What is a byte? G:\ICT\Miss Elliott\Year 10 2016-2018\Chapter 3 - Data Representation\worksheet 4 – Binary tables

Hexadecimal to Binary

Task Extension: What would the table look like for the hexadecimal value 7E4A?

G:\ICT\Miss Elliott\Year 10 2016-2018\Chapter 3 - Data Representation\worksheet 4 – hexadecimal tables

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