Students’ Understanding of Computational Thinking with a Focus on Decomposition in Building Network Simulations Topics: Computer-Supported Collaborative Learning; e-Learning Hardware and Software; Higher Order Thinking Skills; Tools for Educational Communication and Collaboration; Virtual Labs and Virtual Classrooms In Proceedings of the 10th International Conference on Computer Supported Education - Volume 1: CSEDU, 245-252, 2018 , Funchal, Madeira, Portugal