Identifying Major Computer Components

Before cleaning, let’s look at the essential hardware parts inside a typical desktop or laptop:

1. Motherboard
   • The main circuit board that connects all components.
   • Contains CPU socket, RAM slots, expansion slots, and connectors.
2. Processor (CPU)
   • The “brain” of the computer, responsible for executing instructions.
   • Usually covered with a heatsink and cooling fan.
3. Memory (RAM)
   • Temporary storage used for active programs and processes.
   • Installed in slots on the motherboard.
4. Storage Devices (HDD/SSD)
   • Hard drives (HDD) and solid-state drives (SSD) store operating system, software, and files.
5. Power Supply Unit (PSU)
   • Provides power to all components.
   • Usually located at the back of the desktop case.
6. Graphics Card (GPU)
   • Handles video and graphics rendering.
   • May be integrated or installed separately in an expansion slot.
7. Cooling Fans & Heat Sinks
   • Maintain airflow to prevent overheating.
8. Optical Drives, Ports, and Peripherals
   • DVD/CD drives, USB ports, keyboards, mouse, monitor, etc.