GCSE OCR

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Unit 2: Wired and wireless networks

Specification J276 from 2016

 
2

Inside the Unit...

Areas Covered

  • Lesson 1 The Internet
  • Lesson 2 Local Area Networks
  • Lesson 3 Wireless networking
  • Lesson 4 Client-server and peer-to-peer networks
  • Download free sample lesson below
  • Lesson 5 Protocols and layers
  • Lesson 6 Assessment

There are 5 worksheets, 5 homework tasks, and an assessment test, each with answers included in this unit.

Summary

The unit is subdivided into six learning hours spread across six lessons, including a test, in order to fit with most school timetables. It is a theoretical unit covering Section 1.4 and 1.5 of the OCR GCSE J276 Computing specification. Each lesson contains a worksheet to be done in class to consolidate students’ knowledge and understanding, as well as a homework sheet to give them plenty of practice in answering exam-type questions.

The unit begins by explaining the Internet and IP addressing, with practical exercises to help students understand the role of packet switching and DNS services. The lessons move on to look at LAN network topologies and Ethernet, with further material on virtual networking. Wireless networking, frequencies and encryption are covered in a subsequent lesson. Client-server networks and hosting are addressed with a final lesson describing common protocols and the concept of layers. At the end of the unit, students sit an assessment test comprising questions similar to those found on the OCR exam paper.

What's included in the toolkit?

Toolkit

The GCSE units have been written to satisfy the specification for the theoretical Component 1 Computer systems of the OCR J276 Computing GCSE. Each unit contains:

  • 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...

What I really like about the resources is that they are obviously created by someone that understands how to explain the difficult concepts in easy to understand ways.

Howard Battersby. Head of Computing, Harris Academy Purley

Your A-Level resources for OCR have been fantastic for my students and me. One student maintains that if you just work through the book you’ll get at least an A (proof in August 2018)...

Which he did and is now studying Software Engineering at University (update from November 2018)

Mrs Joan Fuller. Computer Science Teacher, Heart of England School

Relevant Textbooks

Inside the Unit...

  • Areas Covered

    • Lesson 1 The Internet
    • Lesson 2 Local Area Networks
    • Lesson 3 Wireless networking
    • Lesson 4 Client-server and peer-to-peer networks
    • Download free sample lesson below
    • Lesson 5 Protocols and layers
    • Lesson 6 Assessment

    There are 5 worksheets, 5 homework tasks, and an assessment test, each with answers included in this unit.

    Download Free Sample 7.4mb

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