Title	The Security and Privacy Issues of Fog Computing
Author	Sultan Algarni, Khalid Almarhabi, Ahmed M. Alghamdi, Asem Alradadi
Citation	Vol. 23  No. 4  pp. 25-31
Keywords	Security, Privacy, Fog, Computing, Filter, IoT.

Title	Evaluation of Blackboard Use by Faculty Members at Umm Al-Qura University During the COVID-19 Pandemic
Author	Deena Alghamdi
Citation	Vol. 23  No. 4  pp. 32-38
Keywords	Blackboard, COVID-19, faculty member, Umm Al-Qura University

Title	Multi-Focus Image Fusion Using Transformation Techniques: A Comparative Analysis
Author	Ali Alferaidi
Citation	Vol. 23  No. 4  pp. 39-47
Keywords	Multi-focus image fusion, comparative analysis, Transformation methods, DCT-LP, qualitative and quantitative evaluation

Title	Traffic Signal Recognition System Based on Color and Time for Visually Impaired
Author	P. Kamakshi
Citation	Vol. 23  No. 4  pp. 48-54
Keywords	Convolutional Neural Networks, traffic signal, countdown timer, text-to-speech