IGCSE Computer Science 2023-25 ​​- Topic 7: Video 2 - Computer Systems, Subsystems and Decomposition

This video shows that every computer system is made up of sub-systems, which are made up of further sub-systems. It enables students to understand how a problem can be decomposed into its component parts. The use of different methods to design and construct a solution to a problem

My channel primarily looks at the Computer Science across the Key Stages of the British and International Curriculum. I have also included a series of videos which cover each topic from the Syllabus for the 2023-2025 Cambridge IGCSE. There are also examples of how to best answers exam questions from both papers 1 and 2 of the iGCSE.

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IGCSE Computer Science 2023-25 ​​- Topic 7: Video 2 - Computer Systems, Subsystems and Decomposition -    • IGCSE Computer Science 2023-25 ​​- Topic 7...  

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VIDEO to support Computer Science Syllabus
Cambridge IGCSE™ (9–1 0984) (A*-C 0478)
For exams in 2023, 2024 and 2025.

Cambridge IGCSE Computer Science helps learners develop an interest in computational thinking and an understanding of the principles of problem-solving using computers. They apply this understanding to create computer-based solutions to problems using algorithms and a high-level programming language. Learners also develop a range of technical skills, and the ability to effectively test and evaluate computing solutions.

Studying Cambridge IGCSE Computer Science helps learners appreciate current and emerging computing technologies, the benefits of their use and recognise their potential risks. It provides an ideal foundation for progression to Cambridge International AS & A Level and is valuable for other areas of study and everyday life.

To Support:
Paper 2 – Algorithms, Programming and Logic
Written paper, 1 hour 45 minutes, 75 marks
This question paper consists of short-answer and structured questions set on Topics 7–10 of the subject content.
All questions are compulsory, and candidates answer on the question paper.
The questions require candidates to have practical programming experience.
Knowledge of programming language syntax is not examined; in all cases the logic is more important than the syntax.
This paper assesses all assessment objectives, AO1, AO2 and AO3, and assesses the full grade range, A* to G.

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