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GCSE AQA

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Unit 4 Computer systems

Specification 8520 from 2016

 
4

Inside the Unit...

Areas Covered

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

There are 6 worksheets, 6 homework tasks, and an examination-style assessment test, each with answers included in this unit.

Summary

The unit is subdivided into six learning hours spread across six lessons, plus a test, in order to fit with most school timetables. It is a theoretical unit covering Section 3.4 of the 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 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. The unit concludes with lessons Boolean logic and embedded systems.

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 8520 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 6.7mb

    Areas Covered

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

    There are 6 worksheets, 6 homework tasks, and an examination-style assessment test, each with answers included in this unit.

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