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Introduction to CompTia A+ The basics of computer and mobile device hardware, software, networking and security. identify PC hardware, peripherals and network components in a business environment. multiple types of data storage devices and backup media. describe in detail the types and features of motherboard components. computer safety procedures and best practices. popular operating systems inc. Windows, iOS, Android and Linux. install and configure input devices, e.g., keyboards, mice, bio-metric scanners and touch screens. implement a variety of troubleshooting techniques to fix system errors and connectivity issues