Student sample for assessment
Written by a Year 10 student in Wollongong, New South Wales, Australia.
Artificial intelligence, or AI, refers to computer systems that are designed to perform tasks that would typically require human intelligence. These tasks include things like recognising speech, identifying images, making decisions and generating text. The way most modern AI systems work is through a process called machine learning, where the system is trained on large amounts of data rather than being explicitly programmed with rules. When the AI processes this data, it identifies patterns and uses them to make predictions or generate outputs. Over time, and with more data, the system becomes more accurate. Machine learning works by feeding a system thousands or millions of examples of something and allowing it to learn what the correct answer looks like. For instance, a system trained to identify cats in photos is shown millions of images labelled as either containing a cat or not. It gradually adjusts its internal settings until it can reliably distinguish between the two. This process is called training, and the result is a model that can apply what it has learned to new images it has never seen before. The same basic approach is used for language models, recommendation systems, medical diagnosis tools and many other applications. The growing role of AI in society raises a number of concerns that are worth examining. One significant concern is bias: because AI systems learn from historical data, they can inherit and amplify existing biases present in that data. A hiring algorithm trained on historical decisions may learn to discriminate in ways that reflect past prejudice rather than genuine merit. A second concern is transparency. Many AI systems operate as what researchers call black boxes — they produce outputs without being able to explain how they reached them. This makes it difficult to identify errors or hold the system accountable. A third concern is automation and its effects on employment, as AI is increasingly capable of performing tasks previously done by humans across a wide range of industries.