GCSE > Computer Science > CCEA > GCSE Computer Science > COMPUTER SYSTEMS: Networks > The cloud
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COMPUTER SYSTEMS: Encoding and compression

COMPUTER SYSTEMS: Network topologies

COMPUTER SYSTEMS: Wired and wireless networks, protocols, and layers

COMPUTER SYSTEMS: Threats to computer systems and networks

COMPUTER SYSTEMS: Operating systems and utility software

COMPUTER SYSTEMS: Impact of technology on society

ALGORITHMS AND PROGRAMMING: Types of data

ALGORITHMS AND PROGRAMMING: Producing robust programs

ALGORITHMS AND PROGRAMMING: Designing, creating, and refining algorithms

ALGORITHMS AND PROGRAMMING: Programming languages

ALGORITHMS AND PROGRAMMING: Artificial Intelligence (AI)

  • The cloud is a remote service provision meaning it delivers computing services over the internet instead of locally, hosted by worldwide data centres.
  • Common services include data storage, software apps (SaaS), processing power, and hosting (e.g. Google Drive/Docs, Netflix, Dropbox, AWS).
Advantages Disadvantages
  • Access files and apps anywhere with internet
  • Scalable, secure back-ups/storage
  • Always updated software 
  • No need for local IT maintenance
  • Requires reliable internet
  • Less control over security 
  • Potential for hacking
  • Unclear data ownership
  • Ongoing subscription costs

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