Which component serves as the main circuit board that connects the CPU, RAM, and other hardware in a computer?

Which component serves as the main circuit board that connects the CPU, RAM, and other hardware in a computer?

• A. Motherboard
• B. Central Processing Unit
• C. RAM
• D. Power Supply

Answer: (A)

The main concept being tested is identifying the central hub that interconnects all major computer components. The component that serves this role is the motherboard. It is the main circuit board inside a PC and provides the physical slots and connectors for the CPU, RAM, storage, graphics adapters, and various peripherals. It carries the data, control, and power signals between parts through its buses and chipset, so the processor can fetch instructions from memory, access devices, and communicate with expansion cards. It also houses firmware that starts up and initializes hardware when you boot. Why this fits best: the motherboard physically and logically ties together the CPU, memory, and other hardware, enabling them to work as a system. The CPU is just the processor that performs calculations; RAM is fast temporary storage; and the power supply only provides electrical power—none of these alone offers the shared interconnect that ties all components together.

The main concept being tested is identifying the central hub that interconnects all major computer components. The component that serves this role is the motherboard. It is the main circuit board inside a PC and provides the physical slots and connectors for the CPU, RAM, storage, graphics adapters, and various peripherals. It carries the data, control, and power signals between parts through its buses and chipset, so the processor can fetch instructions from memory, access devices, and communicate with expansion cards. It also houses firmware that starts up and initializes hardware when you boot.

Why this fits best: the motherboard physically and logically ties together the CPU, memory, and other hardware, enabling them to work as a system. The CPU is just the processor that performs calculations; RAM is fast temporary storage; and the power supply only provides electrical power—none of these alone offers the shared interconnect that ties all components together.