1. Hard drive Hard drives are small devices that stores digitally encoded rotating rigid platters with magnetic surfaces. Strictly speaking that a drive refers to the motorized mechanical aspect that is distinct from its medium.

2. Optical drive is a device that uses laser light or electromagnetic waves near the light spectrum. Witch is the process of writing data to of from optical disks.

3. Cpu processor he Central Processing Unit (CPU) is responsible for interpreting and executing most of the commands from the computer's hardware and software. It is often called the "brains" of the computer.

4. Mother board A motherboard is the central printed circuit board (PCB) in many modern computers and holds many of the crucial components of the system, while providing connectors for other peripherals.

5. Power supply unit supplies. A power supply unit (PSU) is the component that supplies power to the other components in a computer. More specifically, a power supply unit is typically designed to convert general-purpose alternating current (AC) electric power from the mains.

6. Ram-memory Random-access memory (usually known by its acronym, RAM) is a form of computer data storage.

7. Video card A video card, video adapter, graphics-accelerator card, display adapter or graphics cardis an expansion card whose function is to generate and output images to a display.

8. By Ronald Quella