Definition, synonyms and related words
The primary circuit board of a personal computer, containing the circuitry for the central processing unit, keyboard, mouse and monitor, together with slots for other devices.
"The technician replaced the old motherboard to fix the connection issues between the CPU and the graphics card."
In plain English: A motherboard is the main circuit board inside your computer that connects all its parts together so they can talk to each other.
"The technician replaced the faulty motherboard to fix my computer's startup issues."
Usage: A motherboard is the main printed circuit board in a computer that connects essential components like the CPU, memory, storage drives, and expansion cards. It serves as the foundational platform where all other hardware attaches to function together within the system.
The word motherboard is a compound formed from the words mother and board that has been used since 1965 to describe the main circuit board in a computer system. Its name was chosen because this central component serves as the foundational base upon which all other parts of the computer are connected, much like how a mother figure supports a family.