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A Level OCR

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Unit 5: Networks and web technologies

Component 01

Unplugged Unit
Perfect for lessons away from computers or workshops.
5

Inside the Unit...

Unit 5: Networks and web technologies

Download Free Sample 6.3mb

Areas Covered

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

  • Topic 1: Structure of the Internet
  • Topic 2: Internet communication
  • Topic 3: Network security and threats
  • Download sample lesson above
  • Topic 4: HTML and CSS
  • Topic 5: Web forms and JavaScript
  • Topic 6: Search engine indexing
  • Topic 7: Client-server and peer-to-peer
  • End of unit assessment

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

Summary

This unit is subdivided into seven topics (plus a test), each with roughly 2-3 hours of lesson material. It is a theoretical unit covering the structure of the Internet including DNS and IP addressing. Local Area Networks are also covered in the first topic. The second topic covers the role of packet switching and routers in the TCP/IP protocol stack. This is followed by a discussing of network threats and various methods of prevention. HTML and CSS is covered with practical examples in Topic 4, with web forms and JavaScript used to create more examples in Topic 5. Search engine indexing and Google’s PageRank algorithm are comprehensively covered alongside client- and server-side processing in the final topics.  

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
  • HTML, CSS and JavaScript files to accompany examples
  • End-of-unit, exam-style assessment test with answers
  • Other material and links to online resources

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Paul Sloane. Head of Computer Science, Lady Manners School

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Andrew White. Head of Design Technology, Monmouth School for Boys

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Inside the Unit...

Unit 5: Networks and web technologies

  • Download Free Sample 6.3mb

    Areas Covered

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

    • Topic 1: Structure of the Internet
    • Topic 2: Internet communication
    • Topic 3: Network security and threats
    • Download sample lesson above
    • Topic 4: HTML and CSS
    • Topic 5: Web forms and JavaScript
    • Topic 6: Search engine indexing
    • Topic 7: Client-server and peer-to-peer
    • End of unit assessment

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

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