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GCSE Computer Science/Paper 1/Wired and wireless networks, protocols and layers

Standards

1.3.2 Wired and wireless networks, protocols and layers

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Wired and wireless networks, protocols and layers — Note 4 of 13

What you need to know

Standards are agreed guidelines that provide rules for areas of computing. They ensure that hardware and software from different manufacturers can work together and communicate effectively.

What to know

  • Standards ensure interoperability — devices from different companies can work together.
  • Without standards, devices and software from different manufacturers might not be able to communicate.

Key terms

Standards

Agreed rules and guidelines that allow hardware and software from different manufacturers/producers to interact and communicate.

Exam technique

  • Tip:If asked why standards are important, emphasise that they allow products from DIFFERENT MANUFACTURERS to be compatible and work together.

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Revise another OCR GCSE topic: Networks and topologies

Wired and wireless networks, protocols and layers

Note 4 of 13

  1. 1Wired - Ethernet; Wireless - Wi-Fi, Bluetooth;
  2. 2Encryption
  3. 3IP addressing and MAC addressing
  4. 4Standards
  5. 5Common protocols
  6. 6TCP/IP (Transmission Control Protocol/Internet Protocol)
  7. 7HTTP (Hyper Text Transfer Protocol)
  8. 8HTTPS (Hyper Text Transfer Protocol Secure)
  9. 9FTP (File Transfer Protocol)
  10. 10POP (Post Office Protocol)
  11. 11IMAP (Internet Message Access Protocol)
  12. 12SMTP (Simple Mail Transfer Protocol)
  13. 13The concept of layers
Topic overview

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