Welcome to 2020 6th International Conference on Computer and Technology Applications (ICCTA 2020), which will be held during April 14-16, 2020. It's sponsored by Gazi University. ICCTA is the premier forum for the presentation and exchange of past experiences and new advances and research results in the field of theoretical and industrial experience. The conference welcomes contributions which promote the exchange of ideas and rational discourse between educators and researchers all over the world.