INTERNATIONAL SCHOOL OF SAMUI

Year 9 Curriculum

Computing

Unit 2: Data representation

Learning Objective 2.1

To understand the binary number system and its purpose; to be able to convert binary numbers into denary & vice versa.

  • National Curriculum of England Learning Objective

Learning Objective 2.2

To understand the hexadecimal number system and its purposes; to be able to convert hexadecimal numbers into binary or denary and vice versa.

  • National Curriculum of England Learning Objective

Learning Objective 2.3

To understand the purpose of the ASCII character set and how it uses binary numbers to represent characters.

  • National Curriculum of England Learning Objective

Learning Objective 2.4

To understand what a register is and what they can be used for; to demonstrate an ability to understand what action a register will cause or to create a register that will complete a desired action.

  • National Curriculum of England Learning Objective

Learning Objective 2.5

To understand what a bitmap image is and how it is structured, how colours are represented in binary and how images can be compressed with lossy & lossless compression.

  • National Curriculum of England Learning Objective

Learning Objective 2.6

To understand how sound can be represented in binary and how compression can be applied to sound.

  • National Curriculum of England Learning Objective

Learning Objective 2.7

To understand how text files can be compressed.

  • National Curriculum of England Learning Objective
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