Computer Science CACIC 2021

This book constitutes revised selected papers from the 27th Argentine Congress on Computer Science, CACIC 2021, held in Salta, Argentina in October 2021. Due to the COVID-19 pandemic the conference was held in a virtual mode. The 18 full papers and 3 short papers presented in this volume were carefully reviewed and selected from a total of 130 submissions. They were organized in topical sections named: intelligent agents and systems; distributed and parallel processing; computer technology applied to education; graphic computation, images and visualization; software engineering; databases and data mining; hardware architectures, networks, and operating systems; innovation in software systems; signal processing and real-time systems; computer security; and digital governance and smart cities.