This project is a detailed professional presentation covering the foundational and advanced hardware components of a personal computer. It serves as a technical guide for understanding how modern systems are built, upgraded, and maintained.Key Topics Covered:Power Supplies & Cases: Explanation of AC to DC conversion, ATX/SFX form factors, and 80 Plus efficiency ratings. It also explores case designs from Mini-ITX to Full Towers.Motherboard Evolution: A deep dive from the 1981 IBM Planar board to modern PCIe 5.0 and DDR5 integrated command centers.Memory Architecture: Detailed breakdown of Primary Memory (RAM variants like DDR5) and Secondary Memory (ROM, Cache, and Virtual Memory).Storage Solutions: Comparative analysis of HDDs and SSDs, including high-speed interfaces like NVMe and SATA.Processing Units (CPU & GPU): Insights into multi-core desktop, mobile, and server CPUs , as well as the difference between Integrated, Discrete, and AI-specialized GPUs.Connectivity: A guide to essential ports (USB, HDMI, DisplayPort) and internal connectors for data and power delivery.