This course is a continuation of the current material taught in IST-104C Introduction to Personal Computers: Hardware, with emphasis placed on CompTIA’s Core 2 Objectives. Labs and hands-on activities are used extensively to illustrate concepts. Topics include installing, maintaining, troubleshooting, and optimizing computer operating systems. Significant time is dedicated to security topics, best practices, and exploring real-world security issues. Mobile devices, virtualization, and software diagnostic utilities are also covered. This course prepares students for the second exam in CompTIA’s A+ certification path, CORE 2 (220-1002).