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COMPUTER SCIENCE PAPER 1 8525
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AQA GCSE Computer Science 8525 Paper 1: Computational Thinking and Programming Skills concept questions paper and marking schemes June (verifiedAQA GCSE Computer Science 8525 Paper 1: Computational Thinking and Programming Skills concept questions paper and marking schemes June (verifiedAQA G...

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  • May 19, 2024
  • 6
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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AQA GCSE Computer Science 8525 Paper 1:
Computational Thinking and Programming Skills concept
questions paper and marking schemes June (verified)
Define an Algorithm - ANSWERS-A sequence of steps that can
be followed in order to complete a task


Everyday Examples of Algorithms - ANSWERS-Recipes; Assembly
Instructions; Directions


Difference between Algorithms and Computer Programs -
ANSWERS-Computer programs are one way of implementing an
algorithm


Define Computational Thinking - ANSWERS-A process used to
solve complex problems; Formulating a problem and expressing
its solution in such a way that a computer can carry it out


Two stages of Computational Thinking - ANSWERS-Abstraction
and Decomposition

, Define Abstraction - ANSWERS-Identifying the key parts of the
problem and removing any unnecessary detail so that it
becomes easier to solve


Define Decomposition – ANSWER parts which are easier to
solve. ANSWERS-Breaking down a complex problem into
smaller, manageable


Steps of Decomposition Process - ANSWERS-Identify the main
problem; List the main sub-problems, functions or tasks; This is
repeated until each sub-problem can be solved separately


Symbol for Flow Line in Flowcharts - ANSWERS-Arrow


Symbol for Input/Output in Flowcharts - ANSWERS-
Parallelogram


Symbol for Process in Flowcharts - ANSWERS-Rectangle


Symbol for Decision in Flowcharts - ANSWERS-Rhombus

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