full.docx - What is HCI Human-Computer Interaction(HCI is a...

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What is HCI? Human-Computer Interaction (HCI) is a term used to refer to the understanding and designing of different relationships between people and computers. Where is HCI? Appliances should be everyday things requiring only everyday skills to use. Appliances have a clear, focused function that can be used in a variety of circumstances. Peer-to-peer interaction. A key idea of appliances is that they work together without the need for central control or uploading and downloading. Direct user interface. Appliances need to be simple and intuitive to use. Successful appliances are those which support the notion of the swift and simple completion of a task. Appliances represent the ability to do something on impulse without having to think hard about how to do it. Appliances are personal and portable. Why being human-centred is important? Being human-centred in design is expensive. It involves observing people, talking to people and trying ideas out with people, and all this takes time. Being humancentred is an additional cost to any project, so businesses rightly ask whether taking so much time to talk to people, produce prototype designs and so on is worthwhile. The answer is a fundamental ‘yes’. Taking a human-centred approach to the design of interactive systems is advantageous for a number of reasons. Return on Investment Safety Ethics Being human-centred also ensures that designers are truthful and open in their design practice. Now that it is so easy to collect data surreptitiously and to use that data for purposes other than what it was intended for, designers need to be ever more vigilant. As systems are increasingly able to connect autonomously with one another and share data it is vital that people know where the data that they give is going and how it might be used. People need to trust systems and be in a position to make choices about privacy and how they are represented. The issue of intellectual property is another important aspect of ethical design; it is very easy to take an image from a website and use it without giving proper acknowledgement for its source. There are many issues associated with plagiarism or other dishonest uses of written materials. Privacy, security, control and honesty are all significant features of the interactive systems designer’s life. Equality an attention to access are two of the ‘political’ issues that designers must address. As technology changes so do traditional views and approaches to big moral and ethical questions. There are standards and legal requirements that need to be met by designs. Fundamentally, ethical design is needed because the systems that are produced should be easy and enjoyable to use, as they affect the quality of people’s lives. Designers have power over other people and must exercise that power in an ethical fashion. The ACM code of ethics gives good advice on ethical design.
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