Introduction

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Figure 1

Image 1 of 1: ‘Arrows pointing different ways’

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Figure 2

Image 1 of 1: ‘Arrows pointing different ways’

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Figure 3

Image 1 of 1: ‘The four components of computational thinking’

The four components of computational thinking

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Figure 4

Image 1 of 1: ‘brain’

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Exercise

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Figure 1

Image 1 of 1: ‘Spotting a pattern’

Spotting a pattern

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Computational thinking in practice

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Figure 1

Image 1 of 1: ‘Computational thinking at work’

The computational thinking process in action

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Figure 2

Image 1 of 1: ‘Structure diagram’

Basic Structure Diagram

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Computational thinking in programming

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Figure 1

Image 1 of 1: ‘counting words in a text’

Counting words in a text

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Figure 2

Image 1 of 1: ‘Branching code’

Branching code

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Pseudocode

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Figure 1

Image 1 of 1: ‘Pseudocode steps’

Pseudocode steps

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Figure 2

Image 1 of 1: ‘How loops work’

Loops in programming

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Potential solutions to practice exercises

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Figure 1

Image 1 of 1: ‘Steps in the loop’

Steps in the copying loop

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Figure 2

Image 1 of 1: ‘Loop as it would be written in the Unix shell’

Coding a loop in the Unix shell

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Figure 3

Image 1 of 1: ‘Confirming a remove command’

{alt=“RM command in the shell”, width=“75%”}

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