It includes establishments specialized in the field of analyzing and designing applied systems for the use of computers and what this requires from developing programs operating those systems, and this includes installing systems on computers, testing, operating, maintaining and training on their use, and also includes analyzing the user’s needs and problems, providing advice on the best economic solution, and providing the necessary programs to achieve this solution. Preparing and documenting “customized programs” based on requests from specific users and ready-made applications. It also includes the preparation and design of web pages for individuals and government and private institutions.