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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 7.8mb

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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Absolutely perfect in terms of content, accessible to all and yet contain some challenging activities. I can focus on explaining the concepts, demonstrating where needed and most importantly, providing help and support to the students. A* or a grade 9 from me!

Alex Gannon. Computer Science Teacher, Thomas Hardye School

“
”

Python Challenge - if it's anything like PG Online's Learning to program in Python book, it'll be a cracker. I have spent £100's on Python books, PM Heathcote's is by far the best I have come across.

Gareth O'Hare. Head of Department, Wellington College

Relevant Textbooks

Inside the Unit...

  • Download Free Sample 7.8mb

    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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