This student workbook is ideal for students, non-specialist teachers, NQTs any anyone who wants to learn more about computer memory and storage to gain confidence in the OCR GCSE (9-1) in Computer Science (J276) “1.4 Wired and wireless networks” specification. Can be used in the classroom as a teaching aid, for self-study or as a revision tool.


This 29-page PDF which covers the theory and includes ready-to-use tasks and even includes the answers.


Table of Contents:

  • What is a network?
  • Types of network
  • Local Area Network (LAN)
  • Wide Area Network (WAN)
  • Factors that affect the performance of networks
  • Bandwidth
  • Number of devices
  • Cable or wireless media
  • Error rate
  • Latency
  • The different roles of computers in a client-server and a peer-to-peer network
  • Client Server
  • Peer-to-Peer
  • The hardware needed to connect stand-alone computers to a LAN
  • Stand-alone computer
  • Network Interface Controller/Card
  • Transmission Media
  • Switch
  • Router
  • Wireless Access Points
  • The internet
  • Domain Name Server
  • Hosting
  • Cloud storage
  • Local storage compared to cloud storage
  • Cloud computing
  • Security and ownership of data and software on the cloud
  • Virtual Networks

OCR Wired and Wireless Networks Workbook

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