This document provides an overview of common internal computer components and peripherals for technically literate readers. It explains what a CPU does and how its speed is measured. It also describes different types of computer memory like RAM, ROM, and flash memory. The document outlines various storage connectors like SATA, PATA, and SCSI. It briefly mentions common computer inputs like touchscreens, graphics tablets, game controllers, keyboards, and microphones. For outputs, it lists printers, monitors, and speakers.