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GCSE OCR

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J277 Unit 4: Network security and systems software

Specification J277 - Paper 1

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

Inside the Unit...

Download Free Sample 6.7mb

Areas Covered

  • Lesson 1 Network threats
  • Download free lesson above
  • Lesson 2 Identifying and preventing vulnerabilities
  • Lesson 3 Operating systems software
  • Lesson 4 Utility software
  • Lesson 5 Assessment

There are 4 worksheets, 4 homework tasks, and an assessment test, each with answers included in this unit.

Summary

This short unit is subdivided into four topics plus an examination style test. It is a theoretical unit covering Sections 1.4 and 1.5 of the latest OCR GCSE J277 Computing specification.

This unit begins by looking at the threats and vulnerabilities of computer systems and programs, including social engineering and the concept of SQL injection. Encryption and penetration testing are covered as examples of various methods of preventing vulnerabilities. The unit continues to focus on operating systems software, their function and typical utility software programs including defragmentation and compression programs.

What's included in the toolkit?

Toolkit

The GCSE units have been written to comprehensively satisfy the specification the OCR J277 Computing GCSE. Each unit delivers a complete solution comprising:

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

What people say...

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PG Online have some excellent materials that have allowed us to create a structure for our teaching. We use units that help us to prepare our students all the way from Year 7 to a GCSE in Computing and their units allow us to do this effectively.

Stuart Smith. Head of Computing, The Castle School

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All the resources I have brought from you previously have been excellent and a great help in delivering my lessons for BTEC Level 2 and GCSE. 

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Relevant Textbooks

  • GCSE Computing (OCR) Textbook

    GCSE Computing (OCR) Textbook
    ISBN: 978-1-910523-00-1 3rd Edition

  • OCR GCSE (9-1) Computer Science J276 (Textbook)

    OCR GCSE (9-1) Computer Science J276 (Textbook)
    S Robson and PM Heathcote
    ISBN:978191052308-7

  • J276 GCSE Textbook Downloadable Teacher's Supplement

    J276 GCSE Textbook Downloadable Teacher's Supplement
    FREE to teachers only

  • J277 GCSE Textbook Downloadable Teacher's Supplement

    J277 GCSE Textbook Downloadable Teacher's Supplement
    FREE to teachers only

  • GCSE Computing (OCR) PDF

    GCSE Computing (OCR) PDF
    A451: Computer systems and programming

  • OCR GCSE (9-1) Computer Science J277 (Textbook)

    OCR GCSE (9-1) Computer Science J277 (Textbook)
    S Robson and PM Heathcote
    ISBN: 9781910523216

  • ClearRevise OCR GCSE J277

    ClearRevise OCR GCSE J277
    Illustrated revision and practice
    ISBN: 9781910523230

  • ClearRevise Exam Tutor OCR GCSE J277

    ClearRevise Exam Tutor OCR GCSE J277
    Exam tutor and practice papers
    ISBN: 9781910523360

Inside the Unit...

  • Download Free Sample 6.7mb

    Areas Covered

    • Lesson 1 Network threats
    • Download free lesson above
    • Lesson 2 Identifying and preventing vulnerabilities
    • Lesson 3 Operating systems software
    • Lesson 4 Utility software
    • Lesson 5 Assessment

    There are 4 worksheets, 4 homework tasks, and an assessment test, each with answers included in this unit.

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