True or false: The motherboard is a printed circuit board containing the principal components of a computing device. It also provides connectors for other external hardware devices.

Question

BlackTom AI · Accepted Answer

The motherboard is a printed circuit board that houses the central processing unit (CPU), memory, chipset, and ports to connect other hardware—so the statement is true.

1. Relevant knowledge points and concepts
- A motherboard (also called a mainboard or system board) is a printed circuit board (PCB).
- It holds or provides sockets/slots for principal components: CPU socket, memory (RAM) slots, chipset (logic), storage connectors, and expansion slots (e.g., PCIe).
- It routes power and data signals between these components and provides external I/O connectors (USB, Ethernet, audio, video, etc.) and headers for peripherals.
- It typically includes power connectors and firmware (BIOS/UEFI) necessary to initialize hardware.

2. Step-by-step reasoning process
- The phrase “printed circuit board” describes the physical substrate with copper traces that interconnect components; motherboards are manufactured as PCBs.
- “Containing the principal components” is satisfied because the CPU, RAM, chipset, and often GPU interfaces, storage controllers and power regulation circuits are mounted or connected on the motherboard.
- “Provides connectors for other external hardware devices” is satisfied by on-board ports (USB, HDMI, Ethernet), expansion slots (PCIe) for add-in cards, and headers for internal peripherals (SATA, front-panel connectors).
- Each clause in the statement corresponds to standard, definitional features of a motherboard.

3. Calculations or intermediate steps
- Not applicable; this is a conceptual/definition question rather than a numerical calculation.

4. Why the correct answer is correct
- The motherboard’s primary role is to integrate and interconnect principal components and to provide physical and electrical interfaces for external/internal hardware, exactly matching the statement.

5. Why the other option is incorrect
- “False” would claim that a motherboard is not a PCB or does not provide connectors, which contradicts hardware definitions and standard computer architecture—so “False” is incorrect.

6. Conclusion
The statement is True. This matches the provided answer: True.

True or false: The motherboard is a printed circuit board containing the principal components of a computing device. It also provides connectors for other external hardware devices.判断题

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