Rasha Muhseen Hadi, Zainab Saad Rubaidi, Sameer Saud Dakhel, Use the Principle of Decision Support System (DSS) to Help Us Carefully Choose the Best or Most Suitable Telecommunications Company for the Customer, Journal of Engineering and Applied Sciences, Volume 13,Issue 18, 2018, Pages 7703-7707, ISSN 1816-949x, jeasci.2018.7703.7707, (https://makhillpublications.co/view-article.php?doi=jeasci.2018.7703.7707) Abstract: People have to make decisions almost everywhere and almost always. In the course of military operations, in politics, in running the enterprise, in choosing a car or apartment exchange option and in thousands of other cases. Choosing the right telecommunications company for the customer means trusting the company and the satisfaction of its services. The task of choosing the right laptop is actual for most modern people. We will deals in this study a number of communication companies that have a certain set of characteristics and services. It is required to choose from them one that will be the best and most stable. The choice is made through one of the methods of decision support (Algorithm of Thomas Saaty). Keywords: Thomas Saaty;DSS;telecommunications company;decision support system;right laptop;characteristics