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KS4 GCSE Computing Curriculum (AQA) 3 year plan – 2017 - 2020

|Year 9 |Summer 2 |Michaelmas 1 |Michaelmas 2 |Lent 1 |Lent 2 |

| |1.1 Python Challenge! |1.2 Designing More Complex |1.3 Fundamentals Of Data |1.4 Flowcharts & Pseudocodes |1.7 Cyber Security |

| | |Algorithms |Representation | | |

| |In this unit of work pupils will| | |Further development of computational thinking. Looking at |Pupils will be able to explain |

| |work through a set of 20 Python |Further development of |Within this unit of work pupils |flowchart and pseudo code structures and applying them to a |the current ethical, legal and |

| |challenges progressively get |programming skills, |will be able to describe and be |given scenario. |environmental impacts and risks |

| |more difficult. |incorporating: |able to calculate: | |of digital technology on society.|

| | | | |1.5 Sound & Image Representation | |

| |Pupils will be recapping the |Validation; |Binary numbers; | |Pupils will develop knowledge and|

| |basic concepts of programming |Authentication; |Converting base 2 and base 10 |Pupils will: |understanding in: |

| |(this will act as a bench mk) |Subroutines; |numbers; |Understand what a pixel is and be able to describe how pixels | |

| |and then challenge pupils to |Iteration. |Hexadecimal; |relate to an image and the way images are displayed. |Malicious code; |

| |complete more difficult | |Adding binary numbers; |Be able to describe how the number of pixels and colour depth |Hacking; |

| |activities. |In addition pupils will consider|Binary shifts; |can affect the file size of a bitmap image. |Malware; |

| | |the importance of designing |Unicode |Calculate bitmap image file sizes based on the number of pixels |Wearable technology; |

| | |programs through the use of |ASCII |and depth of colour; |Access rights; |

| | |flowcharts and pseudocode, and | |Convert binary data into a black and white image and back again.|Unpatched/outdated software; |

| | |how to test programs using test | | |Passwords; |

| | |tables, ensuring that finished | |Pupils will also investigate sound, understanding how sound |Social Engineering; |

| | |programs meet the needs of the | |waves are sampled and how sound file sizes are calculate. |Copyright; |

| | |audience. | | |Networking; |

| | | | |1.6 Data Compression |Cyber security; |

| | | | | |Government privacy infringements;|

| | | | |Pupils will investigate data compression and understand why data|Penetration testing. |

| | | | |may be compressed and that there are different ways to compress | |

| | | | |data. | |

| | | | | | |

| | | | |Pupils will be able to explain how data can be compressed using | |

| | | | |Huffman coding and will be able to interpret Huffman trees. | |

| | | | | | |

| | | | |Pupils will be able to calculate the number of bits required to | |

| | | | |store a piece of data compressed using Huffman coding and the | |

| | | | |bits required to store a piece of uncompressed data in ASCII. | |

| | | | | | |

| | | | |Pupils will also be to explain how data can be compressed using | |

| | | | |run length coding (RLE) and represent data in RLE frequency/data| |

| | | | |pairs. | |

|Year 10|Summer 2 |Michaelmas 1 |Michaelmas 2 |Lent 1 |Lent 2 |

| |1.8 Python Challenges! |

| | |

| |In this unit of work pupils will work through a set of 54 Python challenges progressively getting more difficult. |

| | |

| |Pupils will be recapping the basic concepts of programming (this will act as a bench mark) and then challenge pupils to complete more difficult activities. |

| | |

|Year 11|Summer 2 |Michaelmas 1 |Michaelmas 2 |

| |As above |20 Hour Controlled Assessment (board set, released September) |Revision activities- Further embedding the theory knowledge of |

| | | |each topic. |

| | |Theory Revision/Homework in preparation for Mock Exam | |

| | | |Answering exam questions effectively. |

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