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GCSE AQA

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8525 Unit 4: Computer systems

Specification 8525 from 2020 - Paper 2

Unplugged Unit
Perfect for lessons away from computers or workshops.
4

Inside the Unit...

Download Free Sample 7.8mb

Areas Covered

  • Lesson 1 Boolean logic
  • Lesson 2 Application and system software
  • Lesson 3 Classification of programming languages and translators
  • Lesson 4 Systems architecture
  • Lesson 5 The CPU and Fetch-Execute cycle
  • Lesson 6 Memory
  • Lesson 7 Secondary storage
  • Download sample lesson above
  • Lesson 8 Assessment

There are 7 worksheets, 7 homework tasks, and an examination-style assessment test, each with answers included in this unit.

Summary

The unit is subdivided into seven learning hours spread across seven lessons, plus a test, in order to fit with most school timetables. It is a theoretical unit covering Section 3.4 of the latest AQA GCSE Computer Science specification.

It builds on the fundamentals covered in the Key Stage 3 NC and our unit Understanding Computers and then extends this knowledge to a level sufficient for examination purposes. Students begin by looking at Boolean logic, moving on to software classification including the function of the Operating System. Lessons continue to cover systems architecture and factors affecting performance. The many forms of memory available in modern computers including RAM, ROM and cache are also covered along with secondary storage devices and their uses.

What's included in the toolkit?

Toolkit

The GCSE units have been written to satisfy the specification for Paper 1 and Paper 2 of the AQA 8525 Computer Science GCSE. Each unit contains:

  • PowerPoint slides for each topic
  • Detailed lesson plans
  • Learning objectives and outcomes
  • Worksheets and homework activities with answers
  • End-of-unit, exam-style assessment test with answers
  • Other material and links to online resources

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Relevant Textbooks

Inside the Unit...

  • Download Free Sample 7.8mb

    Areas Covered

    • Lesson 1 Boolean logic
    • Lesson 2 Application and system software
    • Lesson 3 Classification of programming languages and translators
    • Lesson 4 Systems architecture
    • Lesson 5 The CPU and Fetch-Execute cycle
    • Lesson 6 Memory
    • Lesson 7 Secondary storage
    • Download sample lesson above
    • Lesson 8 Assessment

    There are 7 worksheets, 7 homework tasks, and an examination-style assessment test, each with answers included in this unit.

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