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May 01, 2023
    1. Answer:


      Human computer interaction or HCI is found to be an interdisciplinary study field emphasising on computer technology design and specifically, the interaction between computers and humans. HCI is found to serve as beneficial for any business entities that are found to be highly reliant upon computers and technology for executing its operations. Thus, from the next adjoining section, differentiation between interaction styles and types that incorporate multi-touch screens will be underlined. Additionally, conceptual models for designing products for restaurants, key analogies, and utility tools will also be highlighted in the following section briefly.

      Interaction Types And Styles

      With the growing dependency on computers along with electronic devices, users are found to be looking for the most appropriate and suitable technologies that enable them to interact with availed technologies easily. It is identified that Capacitive is considered as one of the most commonly identifiable types of touch screen technology that support multi-touch screens. Capacitive touch screens are found to utilise capacitance to identify specific touch commands. There are different types of capacitive touch screen such as mutual, self, and projected that are found to support multi-touch screen operations. On the other hand, SAW (Surface Acoustic Wave) touch screen technology is also found to support multi touch screens and they operate through emitting sound waves and ultrasonic waves over the surface of the respective display interface. In contrast, it is identified that previously, resistive touch screen technology failed to support multi touch screens (Lee et al. 2018). However, presently, Resistive touch screen technologies support multi-touch operations. This technology is found to work on the multi touch screen by emphasising on pressure for detecting specific touch commands. Each of these interaction types and styles are found to operate and work based on the requirement and utility of the multi touch screen user preferences. In most of the cases, it is identified that capacitive technology is being utilised for multi-touch screens to run on applications such as smart and mobile devices respectively (Seol et al. 2019).

      Conceptual Model 

      While designing products for restaurants, it would be required to analyse the demands and expectations of the potential customers before introducing new products. As mentioned by Aikhuele and Turan (2018), with the emergence of technology, consumers are found to prefer to utilise user-friendly and technology-based platforms to purchase or order their required items from their preferred brands. Thus, in order to design products for restaurants, the following conceptual models in relation to HCI devices could be considered.

      User Centred Design

      User-centred design (UCD) is considered as the iterative design approach where designers are found to be emphasised upon users along with their needs throughout the design process (Xu, 2019). On the other hand, consideration of this model approach could serve as beneficial for obtaining clear vision and goals of the proposed projects in accordance to which proactive steps could be undertaken.

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