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A computer system comprises several major units, including:
1. Central Processing Unit (CPU): Often referred to as the brain of the computer, it processes instructions and manages operations.
2. Memory: Includes both volatile memory (like RAM) for active processes and non-volatile memory (like hard drives or SSDs) for data storage.
3. Input Devices: Hardware used to provide data and control signals to the computer (e.g., keyboard, mouse, scanner).
4. Output Devices: Hardware that receives data from the computer and presents it to the user (e.g., monitor, printer, speakers).
5. Motherboard: The main circuit board that connects all components of the computer, allowing communication between them.
6. Power Supply Unit (PSU): Converts electrical power from an outlet into usable power for the internal components of the computer.
7. Storage Devices: Used for long-term data storage, including hard drives, solid-state drives, USB drives, etc.
8. Networking Components: Include cards and adapters that allow a computer to connect to networks and the internet.
These units work together to perform computing tasks and manage data processing, input, and output.
C. input unit, output unit, central processing unit and storage unit