Mobile Communication (CIE IGCSE ICT)

Revision Note

Becci Peters

Expertise

Computer Science

Mobile Communication

There are various ways mobile devices are used for communication:

  • SMS messaging: Short Message Service allows sending and receiving text messages up to 160 characters long
    • Uses cellular networks
    • Can be sent to multiple recipients at once
  • Phone calls: Traditional voice calls made and received through mobile devices
    • Uses cellular networks or Voice over Internet Protocol (VoIP) services
    • Provides real-time communication
  • VoIP: Voice over Internet Protocol enables voice calls over the Internet instead of traditional phone lines
    • E.g. Skype, WhatsApp
    • Can provide better call quality and lower costs compared to traditional calls
  • Video calls: Real-time video conversations between two or more users with a camera-enabled device
    • Uses internet connection or cellular data
    • E.g. FaceTime, Skype, and Zoom
  • Accessing the Internet: Mobile devices can connect to the Internet using Wi-Fi or cellular data
    • Allows users to browse websites, send and receive emails, and use social media

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Becci Peters

Author: Becci Peters

Becci has been a passionate Computing teacher for over 9 years, teaching Computing across the UK helping to engage, interest and develop confidence in the subject at all levels. Working as a Head of Department and then as an educational consultant, Becci has advised schools in England, where her role was to support and coach teachers to improve Computing teaching for all. Becci is also a senior examiner for multiple exam boards covering GCSE & A-level. She has worked as a lecturer at a university, lecturing trainee teachers for Computing.