Nadeem Akhtar1 and Saima Khan2 1Department of Computer Science and IT, the Islamia University of Bahawalpur, Pakistan 2Department of Computer Science Faculty of Computer Science and Information Technology, Virtual
Aafaq Zahid1, Nurfadhlina Mohd Sharef1, and Aida Mustapha2 1Faculty of Computer Science and Information Technology, Universiti Putra Malaysia, Malaysia 2Faculty of Computer Science and Information Technology, Universiti Tun Hussein Onn Malaysia,