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A Level OCR

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Unit 2: Systems software and applications generation

Component 01

 
Unplugged Unit
Perfect for lessons away from computers or workshops.
2

Inside the Unit...

Download Free Sample 6.8mb

Areas Covered

This unit consists of four topics, each more substantial than a single lesson and intended to be covered over the course of a week.

  • Topic 1: Functions of an operating system
  • Topic 2: Types of operating system
  • Download sample lesson above
  • Topic 3: The nature of applications
  • Topic 4: Program translators
  • End of unit assessment

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

Summary

The unit is subdivided into four topics plus an examination-style assessment. It is a theoretical unit covering all of Section 1.2.1 and 1.2.2 of the OCR H446 Computer Science specification.

The functionality and purpose of the operating system and different types of operating system are covered in the first two lessons. Lessons 3-4 cover applications software, software licences and how source code is translated into executable code. 

What's included in the toolkit?

Toolkit

The A Level units have been written to satisfy the specification for Component 1 and Component 2 of the OCR H046/H446 Computer Science AS/A Level. 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

What people say...

The inspection copy of your book is excellent, really well done. I'll be pushing for some of your A-Level and KS3 resources this year, they are brilliant! This is just the sort of stuff teachers need.

Daniel Lee. Head of Computing, The National Academy

The worksheets are challenging and are fantastic for stretching able students. 

Marie Shaw. Teacher of A-Level Computer Science, Queen Mary's College

Relevant Textbooks

Inside the Unit...

  • Download Free Sample 6.8mb

    Areas Covered

    This unit consists of four topics, each more substantial than a single lesson and intended to be covered over the course of a week.

    • Topic 1: Functions of an operating system
    • Topic 2: Types of operating system
    • Download sample lesson above
    • Topic 3: The nature of applications
    • Topic 4: Program translators
    • End of unit assessment

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

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