HKDSE ICT study materials
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HKDSE ICT: Technological Innovation and Its Impact on Society

HKDSE ICT · Work through your exam, one topic at a time.

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Technological Innovation and Its Impact on Society

Technological innovation and its impact on society tests emerging technologies-AI, big data, IoT, 5G, cloud, blockchain, AR/VR and robotics-and their benefits, limits and social consequences. Expect scenario questions that ask for both an opportunity and a risk.

Core technologies

Artificial intelligence and machine learning build models from data to classify, predict or generate content; they do not understand meaning as humans do. Big data is often described by volume, velocity, variety, veracity and value. The Internet of Things connects sensors and actuators over networks, enabling smart homes and cities. 5G offers high bandwidth, low latency and dense device connection. Cloud computing provides on-demand resources as IaaS, PaaS or SaaS. Blockchain is a distributed ledger secured by hashes and consensus; it is tamper-evident, but data entered wrongly can still be recorded.

Impacts and tensions

Automation changes employment: it displaces routine tasks and creates roles in data, maintenance and design, while contributing to the gig economy. AI can embed bias from training data and can be opaque, so audits and human review matter. Deepfakes and recommendation algorithms spread misinformation. The digital divide includes access, affordability and skills. Innovation also raises privacy, surveillance, energy and e-waste concerns.

Worked example

A retailer trains an AI CV screener on ten years of hires, most of whom were male. The model downgrades women's CVs. Reasoning: the training data reflects past bias, so the model learns features correlated with gender; high historical accuracy does not make the outcome fair. Fixes include more representative data, fairness testing, removing proxy variables, human review and transparency. The technology is not automatically objective.

Traps

Do not claim AI is unbiased or always correct; blockchain does not make input data true; cloud data still resides on physical servers; 5G complements rather than simply replaces Wi-Fi; and the benefits of innovation are not evenly distributed. Distinguish correlation from causation and a prototype from a deployed system.