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Cloud computing, mobile computing and future trends sheet
Essay frame

Discuss recent developments in computer technology and future trends, with business examples.

How to lay out the answer. Follow the frame, then write it in your own words.

  1. 1 · Open in two lines. Computing is moving from computers owned by each firm to services rented over the internet and used on mobile devices.
  2. 2 · Cloud computing.
    • SaaS: ready software, e.g. Microsoft 365.
    • PaaS: platforms to build apps.
    • IaaS: rented servers and storage.
    • Public, private and hybrid clouds.
  3. 3 · Cloud storage: benefits and risks. Pay as you use, scalable, access anywhere, automatic backups; but needs internet, raises security and privacy concerns, and creates provider dependence.
  4. 4 · Mobile computing. Smartphones and tablets on Wi-Fi and 4G/5G support mobile banking, payments, ride-hailing and field sales.
  5. 5 · Artificial intelligence. Chatbots for customer service, fraud detection and demand forecasting.
  6. 6 · IoT, big data and blockchain. Sensors that report automatically; analysis of huge data sets; tamper-resistant shared ledgers.
  7. 7 · Sri Lankan business example. Firms use cloud email and office software; customers use PickMe and pay with eZ Cash or LankaQR.
  8. 8 · Close in one line. These trends cut costs and create new services, but demand new skills and stronger security.

Scoring tip: Give each trend one clear business use; avoid long technical detail.