Computer Hardware — Name the Main Circuit Board In a personal computer, what is the standard term for the primary circuit board that hosts the CPU, memory, chipset, and expansion slots?

Introduction / Context:The central platform that interconnects a computer’s core components determines performance, expandability, and compatibility. Correct terminology is essential for IT support, PC assembly, and hardware troubleshooting.

Given Data / Assumptions:

• We seek the industry term for the main printed circuit board in a PC.
• It carries sockets/slots for CPU, RAM, storage interfaces, and I/O.
• Distractors include generic or irrelevant terms.

Concept / Approach:

The motherboard (also called mainboard or system board) integrates the chipset, power delivery, firmware (UEFI/BIOS), and buses (PCIe, memory channels). Other listed words are not names for the primary system PCB in standard computer terminology.

Step-by-Step Solution:

Identify the role: houses CPU, RAM, expansion slots, connectors.Match to the standard hardware term: motherboard.Eliminate terms not used for system PCBs.

Verification / Alternative check:

PC vendor documentation and service manuals consistently label the main system PCB as the motherboard or mainboard.

Why Other Options Are Wrong:

Decoder/Highlight/Select: These are functions or interface terms, not the main PCB’s name.

Common Pitfalls:

Confusing daughtercards (e.g., graphics cards) with the motherboard; daughtercards plug into the motherboard’s expansion slots.

Final Answer:

Motherboard