This thesis presents an exercise-based edutainment system intended for children. It is designed to enhance their cognitive development by encouraging movement in a fun way. The main idea behind the system is that children will have fun constructing a physical, tangible user interface. In addition, they will learn how to spell many words that represent objects and entities by stepping on a collection of coloured pads and receiving responses through a set of multimedia outputs related to these entities. For this purpose we have designed and implemented a tangible user interface that facilitates interaction with the system. This tangible user interface is called "SmartPads" and is composed of coloured tiles that can be physically connected to each other to form any shape. The pads are mapped onto a computer screen in real-time. A user interacts with the interface by stepping on the pads. We have incorporated two games that allow children of different ages to benefit from the system's functionalities and encourage them to interact with it. This thesis provides detailed information about the proposed system and its related components, discusses the design and development of the two games, and measures the system's performance when used by the children.

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The coarse mesh radiation transport (COMET) code uses response functions to solve the neutron transport equation. Most nuclear codes used today have a very steep learning curve; COMET is no exception. To ease the user's onus of learning how to create correctly formatted COMET input-files, a graphical user interface (GUI) was created. The GUI allows the user to select values for all the relevant variables while simultaneously minimizing the errors a typical new user would make. To this end, the GUI creates all of the input files required to run COMET. The GUI also provides a visualization tool that the user may use to check the problem geometry before running COMET. The GUI is also responsible for post-processing the COMET output for visualization with TecPlot. In addition to the GUI, multi-group cross section libraries were generated as part of the MHTGR-350 (Modular High Temperature Gas Reactor) benchmark problem under development at Georgia Tech. This project aims to couple COMET with a thermal hydraulics code to best model the true physics of the reactor design. In order for this goal to be actualized, six-group cross sections were generated over the operational temperature range of the MHTGR using the current coupling and collision probability code HELIOS.

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This master project focuses on the development of a front-end applicationfor cloud computing. Traditionally, televisions have been excluded from thealways connected world. With the appearance of the smart televisions it isnow possible to connect them to the Internet. However, there still exists agap between televisions and services in the cloud.To solve the problem,we have developed a JavaScript application. This application allows the user to log into their CloudMe account from a SamsungSmartTV with multimedia support. This application is centered on improving the responsiveness performance of a cloud computing application. It alsoenhances the user experience by creating a user-friendly UI for a television.During the course of this thesis, the application and its functionalities havebeen studied, designed, developed, optimized and finally tested. We havealso done a set of measurements to validate the responsiveness of the proposed design.The development of this TV application shows the TV is a potential targetdevice for cloud computing services due to its better resources and capabilities in di↵erent areas such as multimedia reproduction.

A User Interface Management System (UIMS) called the Harness has been developed to support the front-ending of existing software systems. In the Harness, a set of core Abstract Interaction Objects (AIOs) was provided for knowledge-based modules to interact with the user. It is not realistic to expect the Harness to be a closed and fixed system. On the other hand, help capabilities are today considered essential components of well designed software and on-line help systems have come to be a standard feature of most new software systems.

This thesis presents an exercise-based edutainment system intended for children. It is designed to enhance their cognitive development by encouraging movement in a fun way. The main idea behind the system is that children will have fun constructing a physical, tangible user interface. In addition, they will learn how to spell many words that represent objects and entities by stepping on a collection of coloured pads and receiving responses through a set of multimedia outputs related to these entities. For this purpose we have designed and implemented a tangible user interface that facilitates interaction with the system. This tangible user interface is called "SmartPads" and is composed of coloured tiles that can be physically connected to each other to form any shape. The pads are mapped onto a computer screen in real-time. A user interacts with the interface by stepping on the pads. We have incorporated two games that allow children of different ages to benefit from the system's functionalities and encourage them to interact with it. This thesis provides detailed information about the proposed system and its related components, discusses the design and development of the two games, and measures the system's performance when used by the children.

The objective of the thesis is to introduce the reader to the topic of user interfaces and their design, to provide basic information about the concepts and methods used for the development of user interfaces. The author based the theoretical part of the work on a particular interface design approach - user centered design. The practical part applies selected methods that are described in the theoretical part, the optimization and design of a user interface for a specific application is described. The design process precedes an analysis of other competitive products, the identification of target groups of clients and their needs, the optimization of existing key processes, the development of existing functionalities and proposals for the implementation of new functionalities. Against this background, the author creates a web application interface design and associated mobile application designs. The end of the work deals with designing a model for payments as a system service and outlines possible further extensions of the system.

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