motherboard

/ˈmʌðərˌbɔrd/
noun
  1. The main circuit board of a computer, to which all other components (such as the CPU, memory, and storage) connect.
    • A faulty motherboard can cause the computer to crash or fail to start up.
    • The technician replaced the damaged motherboard to get the computer working again.
    • When building a PC, you need to choose a motherboard that is compatible with your processor.
What does "motherboard" mean? | whatsthatwordmean | whatsthatwordmean