Option b is correct. System unit container houses most of the electrical components for a computer system.
The components of a computer that houses the main devices that carry out operations and generate results for intricate calculations is called the system unit. It consists of the motherboard, CPU, RAM, and other parts, as well as the housing for these gadgets. The majority of the tasks that a computer is required to complete are handled by this device.
The term "system unit" is frequently used to distinguish between the computer's internal components and its external hardware, including the keyboard, mouse, and display. In layman's terms, a system unit is also referred to as a chassis or a tower.
The system unit houses the system components, such as a microprocessor, capacitor, or system clock, which carry out calculations as directed by the input device.
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