Definition of motherboard Motherboard
We found 4 definitions of motherboard from 4 different sources.
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What does motherboard mean?
Wiktionary 
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motherboard
The primary circuit board making up a complex electronic system, such as a modern computer.
Wikipedia 
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The motherboard or mainboard is the main circuit board in a complex electronic system, like a computer. It is the most 'central' part of a computer. All of the different parts of the computer are connected to the motherboard. This lets them work together. In most computers, the motherboard is a big green board, but many companies are now trying different colors, like black, red and yellow.
"On-board" and "plug-in" parts.
Normal electrical parts must be kept on the motherboard. These "on-board" parts include transistors and resistors. Many of the major parts that are attached to the board are able to be removed in the future so that they can be upgraded. The CPU and memory (or RAM) are examples of parts that are usually removable.
Parts that are not "on-board" can be bought as a card. In fact, many of the on-board parts on today's computers were at one time an expansion card that became very popular. These were put on the board to free up the card slots for other things. Computers today usually have a memory port, 2 or more USB ports, a parallel port (for use with old printers usually), audio & microphone jacks, a network port and ports for the keyboard and mouse. There are also rare motherboards that have plugs only for very specific parts.
All of the slots and plugs both inside and outside the computer case are shaped a certain way to accept a certain type of part. Some won't even accept parts even one generation behind, such as the CPU and memory. Others, like the video plu
Part of speech
🔤- motherboard, noun, singular of motherboards.
