User centred design of systems

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System design has traditionally been the realm of engineers, focusing on formal specifications. However, the past couple of decades have seen the emergence of human-computer interaction (HCI) as a critical approach. With many incidents attributed to 'human error,' it is essential to consider humans as integral to system design. A key aspect of this process is examining how users interact with technology. The 1980s marked a significant period for computing, beginning with the launch of the first personal computer (PC) in 1978, leading to widespread adoption across homes, offices, schools, and various organizations. Today, few entities remain untouched by computer technology, and most individuals have encountered computers in some form. Despite this proliferation, the training of users has not kept pace with the increase in computer use. Much HCI research aims to create systems that are intuitive and do not require specialized training, allowing users to engage with technology easily. However, this focus has led to several challenges, many of which remain unresolved. The need for effective interaction design that accommodates users' needs is more critical than ever in our technology-driven society.