public string GetSystemDetails()
        {
            IComputerBrand     computerBrand     = _computerFactory.computerBrand();
            IComputerType      computerType      = _computerFactory.computerType();
            IComputerProcessor computerProcessor = _computerFactory.computerProcessor();
            string             returnValue       = string.Format("{0} {1} {2}", computerType.getComputerType()
                                                                 , computerProcessor.getComputerProcessor()
                                                                 , computerBrand.getComputerBrand());

            return(returnValue);
        }