Mohammed Eltahir: He received his Ph.D. degree in Information Technology from The National Ribat University, Khartoum, Sudan in 2016. M.Sc. in Information Technology from Al-neelain University 2009 and B.Sc. in Information Systems from International University of Africa Sudan 2003. He is currently a lecturer with the College of Computer Science and Information Technology, Jazan University, KSA. His research interest is software engineering, web technologies, cloud computing, e-learning and service-oriented computing.