$2\mathrm{.}3$ You are tasked with designing a user interface for a new mobile application that will be

used by healthcare professionals in a hospital setting. Discuss the different aspects of humancomputer interaction that you would need to consider to ensure the usability and user

experience of the application $(20$ Marks$)$

$2\mathrm{.}4$ Sarah is a UX designer working on a new interface for a mobile app. She wants to

understand the concept of input$-$output channels in Human$-$Computer Interaction $($HCI$)$ and

how they relate to the human senses$.$ She wants to apply this knowledge to design a userfriendly interface that provides a seamless experience for the users. Discuss the steps she would

take to achieve to achieve her goal $(10$ Marks$)$