Problem: Our opinion is that it is important to consider about usability in system development. In this thesis we will focus on usability in point-of-sale systems. The point-of-sale system we base this thesis on is Extenda Retail. Our case study is performed on Ica Kvantum in Bromölla, which implemented Extenda Retail about two years ago. Purpose: The purpose of this thesis is to figure out what important factors there are to consider, in usability aspects, when developing point-of-sale systems, with focus on the cashier. We also wish to find out the cashiers opinions about the Extenda Retail system. Method: The information gathered for this thesis consists of literature and interviews. All the information has been studied and analyzed. Result: We have reached the conclusion that the end users consider Extenda Retail to be a good point-of-sale system in usability aspects. It also shows that the guidelines we have chosen, with minor modifications, supports development of point-of-sale systems.

Restaurants, bars or cafés will always serve as places for social interaction and so they are an essential part of human life. In each country around the world, it is a place for meeting people and communication. The mission of Storyous company is to help its clients to create a pleasant atmosphere in their food service business by providing next generation POS system not only in the Czech Republic but also in Poland. The company has already experience with the electronic sales reporting that brings considerations about another international market for its expansion. The aim of the thesis is to analyze the Italian market, mainly the sector of gastronomy services and qualify and quantify the customer base in Italy. At the same time, the structure of competitors along with a brief sample of them will be introduced. The timing for the Italian market entry, the gross initial costs and the rate of product adaption will be discussed on the basis of PEST analysis and Porter Five strenghts model analysis. In the conclusion author of the thesis recommends further steps for more detailed analysis.

The topic of this diploma thesis is an analysis and selection of the new information and point of sale system for groceries divisions of the Inva Group a.s. company. First part of this thesis focuses on analysis of the current IT conditions in the company and on drawing up the requirements for the selection of the information system itself, based on the analysis of the company’s business processes. The second part will be focused on market analysis, and will present different options for information and POS systems and depending on the chosen IS, the timeline and the financial plan of the implementation itself will be created at the end.

The diploma thesis deals with design and implementation of the information system for sale support. In the first part of the thesis is done market analysis and described legislative requirements. These theoretical findings are further applied in the design part of the system. System is designed in spirit of good user experience(UX). Application is created with offline-first approach by React Native framework for cross-platform development of mobile applications. Synchronization between end point devices is done by CouchDB database system.