Usability testing is the measurement of ease of use of a product or piece of software. In contrast, usability engineering (UE) is the research and design process that ensures a product with good usability. Usability is a non-functional requirement.
I think in modern world you can associate with only one thing, but it's not the best choice. Bulgarians speak Slavic language as mother tongue, but also many of us speak a Germanic language (English). We have always been part of the Mediterranean world and are pred.Pontid in race, a Med subtype. think in modern world you can associate with only one thing, but it's not the best choice. Bulgarians speak Slavic language as mother tongue, but also many of us speak a Germanic language (English). We have always been part of the Mediterranean world and are pred.
INTRODUCTION BULGARIA. Bulgaria has a large private sector and relatively small public sector. Bulgaria is industrialized country with a fast economic growth in the last years. The strongest sectors are services, industry and construction, tourism, agriculture, science and technology. On 1st January 2007 Bulgaria became part of the EU.